Lennox secondary heat exchanger

 

Inspect Lennox pulse furnace heat exchanger assembly for any signs of corrosion or leakage. A heat exchanger in your furnace or boiler is what heats either air or water that is then used to heat your home. A secondary heat exchanger from a high efficiency condensing furnace plugged with black soot. The furnace uses much of the heat produced in the primary heat exchanger. The Bryant High-Efficiency Gas Furnace Trade-In Allowance Program is designed to offer homeowners an increased credit option if their qualified existing high-efficiency furnace experiences a secondary heat exchanger failure during the enhanced secondary heat exchanger warranty period. The enhancements respond to a recent class-action lawsuit The EL296V adjusts airflow as needed to maintain a consistent, comfortable temperature, and save even more on energy costs. We pride ourselves in providing excellent customer service which is why have been business for over 75 years. Two stage heating means the furnace uses only enough fuel to heat your home efficiently, saving energy costs, and the secondary heat exchanger helps save you money by trapping additional heat. Lennox has installed a Duralok Plus heat exchanger that is made of ArmorTuf steel. If none of the lights is on, this may be due to poor wiring, electricity shutoff, tripped circuit breaker, faulty control board, door lock or transformer. The secondary heat exchanger looks similar to an air conditioning coil. If you crawled in then just take a vacuum cleaner with you and crawl in and clean away also a long handled brush will help. We are located on the South West side of Indianapolis, IN. Furnace Not Working. Cracked heat exchangers can be dangerous because they allow carbon monoxide to leak into your house. A furnace heat exchanger is a thin-walled metal device designed to remove the heat from burned gas and transfer that heat into your home’s air. com Lennox 46K92 Heat Exchanger ~ 3 Cell ~ 80% ALZ (Includes Lennox developed heat exchanger assembly consists of primary heat exchanger and secondary condenser coil assembly. We try to get as close to the same models as possible without getting exact models with the same features. Furnace Heat Exchanger is the number one business to business supplier of inspector cameras, manuals, and training classes for HVAC professionals. Lennox Residential is a leading global name in home comfort. You don't have to worry about heat exchanger quality anymore, so you should be happy with it. -viewing flames through port on burner box, they seem fine, all blue flame shooting into the four tubes, but a small amount of blue flame going left-right prior to the heat exchanger tubes. ADDITIONAL SAVINGS The SLP98V can potentially qualify you for federal energy tax credits and local utility rebates. grayfurnaceman Bad secondary heat exchanger. Stainless-steel secondary heat exchanger holds on to additional heat, permitting the furnace to reach higher efficiency levels. Lennox offers 20 years warranty for primary heat exchangers only and no warranty for secondary heat exchanger. Constructed of heavy-gauge, aluminized steel. It consists of a primary heat exchanger and a secondary condenser coil, ensuring high reliability and efficiency of the unit. Increase heating efficiency in your home with the ML195 furnace integrated with a Lennox ComfortSense 5500/3000 thermostat. Stainless Steel Secondary Heat Exchanger –. 5-Year Limited Warranty on covered components. This solid component exceeds industry requirements and extends the furnace’s life. Our purpose is to provide Original Equipment Manufacturer parts for the repair and maintenance upkeep of furnaces, air conditioners, ventilation systems and pumps to the general public as well as contractors and commercial building maintenance staff. Main multi-pass crimped seam design clamshell type heat exchanger. , a unit of United Technologies Corp. 8. com. Fast flashes that alternate on both LED lights means the ignitor has failed or has an open circuit. Receive discount on all parts and labor; 24 hour emergency service / never pay overtime fee; Transfer agreement to new location or to new owner STAINLESS STEEL SECONDARY HEAT EXCHANGER Allows the furnace to achieve higher efficiency levels by capturing additional heat. SureLight® ignition provides efficient performance. The Lennox G61 is a discontinued two-stage, high-efficiency gas furnace with an efficiency rating of up to 95. The compact furnace heat exchanger may include a first pass having an inlet end, a second pass in fluid communication with the first pass through a first return bend, and a third pass having an outlet end and in fluid communication with the second pass through a second return bend. Lennox’ innovative solutions include energy-efficient air conditioners, furnaces, and heat pumps, plus garage unit heaters, boilers, air handlers, packaged units, comfort controls, and indoor air quality systems. Robust Blower Assembly: Exceeds the industry standard in airflow to provide superior comfort and consistent heating for your home. However, Lennox warranty is still valid and not reduced if don’t register the warranty. We offer competitive prices and you can order with confidence from an Authorized Lennox Dealer. Designed for normal expansion and contraction with maximum efficiency and minimum resistance to air flow. 8 Feb 2018 The ML195 has a Duralok Plus heat exchanger that is constructed from waste heat, and a stainless steel secondary heat exchanger that  Dave Lennox Signature® Collection – The most efficient and quietest furnace you can buy! Imagine a Stainless Steel secondary heat exchanger. Lennox High-Efficient furnaces are all made with Duralok Plus® heat a stainless steel secondary heat exchanger to ensure high reliability, longevity, and   Its stainless steel secondary heat exchanger allows the furnace to reach high efficiency levels by capturing additional heat. Water is a byproduct of combustion and so heat exchangers are crafted from rust-resistant metals. The design created positive pressure inside the heat exchanger, whereas the high efficiency furnace designs of today use an inducer fan to “pull” combusted gasses through a primary and secondary heat exchanger. Self-Calibrating, Variable-Speed Inducer Ensures cleaner combustion and efficient operation. The air passes through the secondary heat exchanger/condenser from a blower or fan and then passes through the primary heat exchanger. How do you guys diagnose cracked or bad heat exchangers? look for those sitting on top of the secondary. Dual-fuel  Dave Lennox Signature® Collection SLP98V Variable-Capacity Gas Furnace Heat Exchanger Warranty: Limited Lifetime Warranty on heat exchanger. Watch Queue Queue. The most common mishap in a heat exchanger is a crack, which happens from the metal changing temperatures. DURALOK 6. Replace heat exchanger or buy new furnace? The furnace has the secondary heat exchanger problem that was subject to the class action law suit. It featured an aluminized steel Duralok Plus heat exchanger, with a stainless steel secondary heat exchanger. Features an electronic hot surface igniter for increased safety and efficiency, and variable speed maintenance free ECM blower that never needs lubrication, and self diagnostic control module to monitor operation. The Carrier High-efficiency Gas Furnace Trade-In-Allowance program is designed to offer homeowners an alternative to replacing only the heat exchanger under the terms of their limited lifetime heat exchanger warranty on a first generation Carrier condensing furnace, if their furnace experiences a heat exchanger failure. Lennox also offers a 5-year Limited Warranty on covered parts and Limited Lifetime Warranty on the Heat Exchanger. The furnace. Stainless steel heat exchangers, A “high efficiency” furnace is a furnace that is 90% or more efficient. ! NOTE TO INSTALLER: This manual must be left with the equipment user. Up to 96% AFUE, 33% more efficient than a standard motor; Two-stage gas valve; Power Saver™ motor; Duralok Plus™ heat exchanger; Stainless Steel secondary heat exchanger; SureLight® integrated furnace control; Dual-fuel capable; Energy Star Qualified Part Number Part Description Part Link 305078-751 Carrier 305078-751 Heat Exchanger Cell View Carrier Part # 305078-751 310203-752 Carrier 310203-752 Heat Exchanger Cell View Carrier Part # 310203-752 310229-751 Carrier 310229-751 Cell Panel Kit View Carrier Part # 310229-751 312131-701 Carrier 312131-701 Heat Exchanger Cell View Carrier Part # 312131-701 312731-753 Carrier 312731-753 Lennox UH110XV60C gas barbecue | Full Specifications: Burner Types: Dual-stage Burner, Heat Exchanger: Dual, Energy Efficiency: 96, Efficiency Rating: 2, Applicable FARMINGTON, Conn. A great space saving boiler, combining home heat and domestic hot water with an amazing design. A (0804) Unitary Products Group ® Heating Air Conditioning A. Broken and leaking heat exchangers are responsible for about 1,500 deaths per year in the United States, and many more people are poisoned by exposure to toxic gasses that go unfiltered by defective heat exchangers. Wiring diagram is usually inside the cover of that control and set up so that when your secondary heat kicks in (AM30) the damper or inducer motor for fire shuts off the wood side. Variable Speed Blower Motor – Provides a quiet, consistent flow of air for enhanced comfort, efficiency and humidity control. Sealed Blower Compartment - minimizes losses, maximizes efficiency and comfort. A cracked heat exchanger in a gas furnace is a serious safety issue. 20-Year Limited Warranty on Heat Exchanger; Power Saver™, operates at a constant torque to maintain a consistent flow of air. Insulated blower component restricts heat loss. Loading Close. 5. Insulated blower component minimizes heat loss. SureLight® ignition gives efficient operation. 3. The compact size doesn't skimp on the performance, viessmann's own designed stainless steel heat exchanger and burner will keep you warm and comfort all winter long. $368 Per Year. With product registration, the EL296V may be eligible for a 10-year Limited Extended Warranty. Stainless-steel secondary heat exchanger catches more heat, allowing the furnace to attain greater efficiency levels. DUAL-FUEL-CAPABLE Can be combined with a Lennox® electric heat pump for peak efficiency. It is how higher efficiency is achieved. 0% AFUE. Air Cleaner and Purifier Filters Lennox Motor 1/2HP Tri Mount Direct Drive Blower 5 Speed 5-5/8" Dia. A failed pressure switch 4. The control on the Newmac is standard for wood furnaces but is used to open 24 volt damper motor when calling for heat. Stainless steel secondary heat exchanger allows the furnace to reach high efficiency levels by capturing additional heat. Stainless steel secondary heat exchanger allows the furnace to reach high efficiency levels by capturing additional heat; This product is tax credit eligible under the American Taxpayer Relief Act of 2012. Reliable Performance. Duel Fuel – allows your furnace to be combined with an electric heater to increase efficiency in moderate temperatures. this part of the heat exchanger removes more heat but more importantly, condenses the water in the gas that was steam. The secondary heat exchanger is designed to extract the maximum remaining heat from the fuel source, resulting in a normal condensation reaction. The primary air is admitted at a ration of about five parts primary air to one part gas for manufactured gas, and at a 10:1 ratio for natural gas. Overview of G61. SECONDARY HEAT EXCHANGER To maximize system efficiency, the SLP98V is designed with a secondary heat exchanger that captures waste heat. If someone informs you that your heat exchanger is cracked, call The Tedder Company, and one of our 4. Stainless-steel secondary heat exchanger captures additional heat, allowing the furnace to operate at higher efficiency levels. Applies to Robust Stainless Steel Secondary Heat. I have a lennox furnace and according to the tech, the secondary heat exchanger is clogged with beetles. 2% similar) This is a detailed list of all known cross reference numbers. Heil G9MVE QuietComfort Deluxe 96. The secondary heat exchanger 32 is preferably a conventional fin and tube heat exchanger having two rows. Lennox Furnace Model G26Q3-75-5 Parts. Stainless-steel secondary heat exchanger traps more heat, allowing the furnace to attain higher efficiency levels. See your Lennox Dealer for details. htoyh. The furnace pulls cold air in, and it is heated as it passes over the heat exchanger tubing. This variable airflow also minimizes noise from the unit. If you are a technician this is a must see video on where these Lennox curved heat exchangers fail. If the blower fan didn't turn on when the furnace ran, the heat exchanger would overheat and crack or warp. How Much Does it Cost to Replace a Furnace Heat Exchanger? Plenty! The most costly part of replacing a heat exchanger is the labor. Lifetime Limited Warranty on the heat warranty on the heat exchanger and our standard 10-year limited warranty on all remaining covered components. A specific LED code applies if the Lennox furnace doesn't heat or cool but the air blower works continuously. Hi guys, just wondering what is involved in cleaning the secondary heat exchanger (on a condensing 93% N. Vitoden 222-F. They have a stainless steel secondary heat exchanger for better fuel burning efficiency than single-exchanger furnaces. Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat Low-speed fan--provides a consistent, continuous flow of warm air Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency Their tubular aluminized-steel heat exchanger withstands frequent use and is formed with wrinkle bends that strengthen the tube walls and improve heat transfer. The EL296V Gas Furnace captures that excess heat and uses it to save you money while increasing your comfort. Duralok Plus™ heat exchanger—made of patented ArmorTuf™ steel to ensure high reliability and efficiency. Single-stage furnace with Power Saver technologyThe EL195E’s Power Saver Constant Torque motor is up to 33% more efficient than standard single-stage motors and up to 200% more efficient in constant fan mode. Thus, the term HEAT EXCHANGER. A failed draft inducer 6. graycoolingman. To the best of my knowledge this unit does not have a secondary heat exchanger as it only has one heat exchanger. The furnace heat exchanger is the one of the main components inside the gas furnace and it’s used to transfer the heat from the gas burner to the warm air that’s blown into your home. Lennox ML195UH070XP36B gas barbecue | Full Specifications: Burner Types: Dual-stage Burner, Heat Exchanger: Dual, Energy Efficiency: 95, Efficiency Rating: 1 Duralok Plus® primary heat exchanger—made of patented ArmorTuf™ aluminized steel to ensure high reliability and efficiency; Lifetime limited heat exchanger warranty; Stainless steel secondary heat exchanger; 5 year parts limited warranty (up to 10 years if you register at lennox. Weld the sheet metal some more as it dries. One the most common issues found in Carrier high efficiency gas furnaces is corrosion or blockage is their secondary heat exchangers in approximately 5 to 10 years after the original installation date or in other words premature secondary heat exchanger failure. REPLACEMENT HEAT EXCHANGER 37323713001 INSTALLATION INSTRUCTIONS 035-20527-001 Rev. One Lennox Armstrong Ducane Heat Exchanger ( 14L08 ) 14L08 Heat Exchanger. efficient operation Secondary heat exchanger—allows the furnace to achieve high efficiency  19 Jan 2018 The Lennox gas furnace has primary and secondary heat exchangers that captures and transfers more heat than any other furnace available! efficiency rating of Lennox SLP98UH090XV60C and leading competitive units listed in AHRI directory . The secondary heat exchanger and dual-fuel capacity further enhance efficiency for an impressive AFUE rating of up to 95%. Lennox Elite has a dual fuel option allowing it to be used in a split system with a heat pump for heating options. Dual-Fuel Capable - can be combined with an electric heat pump to further enhance comfort and fuel efficiency. The temperature of the gasses leaving the secondary heat exchanger are low enough to enable plastic inducer fan components. A blocked flue 5. For a good example of a hazardous heat exchanger, check out the photo below showing a large rust hole in the heat exchanger of this high-efficiency furnace that was only ten years old. The ML180 has a Duralok Plus heat exchanger that is constructed from patented ArmorTuf steel that captures waste heat, and a stainless steel secondary heat exchanger that allows the unit to achieve industry-leading efficiency levels. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). Secondary Heat Exchanger: This feature allows your new furnace to extract every last bit of heat created by the furnace leading to more comfort per cycle. If you have a heat exchanger crack, you need to replace the heat exchanger or the furnace. The variable speed motor allows the furnace to operate on a low speed, ramping up to high speed when necessary. G furnace)? Seems that the only way to access the  Click on the red text to get more information from the Lennox website. tape within the furnace casing. will pay up to $270 to reimburse anyone who previously experienced a failed secondary heat exchanger. Some Lennox furnaces like the SLP98V from the Dave Lennox Signature® Collection are equipped with a secondary heat exchanger (Duralok Plus), which   21 Jan 2019 With a condensing furnace, on the other hand, the combustion exhaust gases are also passed through a secondary heat exchanger that  2 Jun 2015 All high efficiency furnaces are equipped with a primary heat exchanger as well as a secondary heat exchanger. Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat. Menu. Find great deals on eBay for carrier secondary heat exchanger. In fact, replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from $2,000 to $3,500. 7% AFUE, the Lennox SLP98V is a quiet and high-efficiency furnace with the following features: ENERGY STAR® Qualified. Were you recently told that your furnace heat exchanger is cracked and needs to be replaced? If so, here’s the thing: replacing a heat exchanger isn’t as simple or affordable as it sounds. The heat exchanger is a metal chamber located within a furnace that heats up from direct contact with the fire coming off the burners, and whose function is to keep the heated air and toxic combustion gases separate from each other for safety reasons. There are codes, which appear when a Lennox MCF80 fails to work in the cooling, heating or continuous fan modes. Less than 1% leakage at 1. Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat Low-speed fan--provides a consistent, continuous flow of warm air Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency The heat exchanger, or heater core, is the most important part of your furnace, as it is hub of all combustion and heat-related activity. • Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat • Low-speed fan—provides a consistent, continuous flow of warm air. If you have any questions regarding this product, please use the HVAC. The primary heat exchanger is constructed of tubular aluminized steel and has a stainless steel secondary heat exchanger. You can find a lot of positive feedback for this heat exchanger online. Duralok Plus is a clamshell heat exchanger and condenser coil assembly The "curved" Lennox heat exchanger is inspected This video is part of the heating and cooling series of training videos made to accompany my websites: www. The EL296V can be paired with a Lennox heat pump in an energy-saving dual-fuel system for added efficiency. When the furnace blower operated, the basement was depressurized to 8 Pa and the water heater backdrafted. 3 Nov 2018 A crack in your heat exchanger is no trivial matter. Reliable Performance • Duralok Plus™ heat exchanger—made of patented ArmorTuf™ steel to ensure high reliability and efficiency One of the most common reasons a gas furnace can be taken out of service, is when the repair technician finds to a cracked heat exchanger. For information, visit www. 4 ACTION 1 − Check for sooting deposits or other Insufficient flow through the heat restrictions in the heat exchanger assembly. Secondary Secondary Heat Exchanger: In a Chicago winter, you can't let any heat go to waste! Your EL296V will conserve excess heat within the furnace and transfer it to the air in your home with the help of this secondary heat exchanger. Most orders ship same day. Keeps your home comfortable regardless of the temperature outside and eliminates loud start up sounds. SureLight Control Board – Controls furnace operation to ensure high reliability and Duralok Plus® heat Exchanger – Made of high-quality, patented ArmorTuf™ aluminized steel. This releases latent heat to get all the heat possible out of the gas. My HVAC technician recently tested flue gases and came up with a reading of 237 ppm of CO AF. Limited Lifetime Warranty on Heat Exchanger. Failure to follow this warning can cause corrosion of the heat exchanger, fire, personal injury, or death. Because the secondary heat exchanger steals so much heat, the combustion gases lose enough energy to condense Lennox Commercial provides high-efficiency commercial AC and Heating rooftop units, split systems, controls, furnaces and indoor air quality products. What is a Furnace Heat Exchanger? A furnace’s heat exchanger is a set of tubes or coils that are looped repeatedly through the air flow inside your furnace for the purpose of heating air. Is this a realistic quote or should I look for another HVAC company? Secondary Heat Exchanger – a secondary exchanger (what heats the air) that ensures maximum utilization of combusted gases. Searching documents and internet sources the following is what I found on heat exchanger inspection methods and sources ML195E LENNOX GAS FURNACE WARRANTY. The SLP98V Furnace meets and exceeds EPA guidelines for energy efficiency. With an efficiency rating of up to 98. A secondary heat exchanger 32 extends from the hot collector box 30 and its outlet is connected to a collector box or cold header box 34. Most heat tapes are temperature places the control in the status recall mode and displays the last code stored in memory. This is a requirement, is part of the Fuel Gas Codes and is ultimately not negotiable. The EL180E has a Duralok Plus heat exchanger that is constructed from patented ArmorTuf steel that captures waste heat, and a stainless steel secondary heat exchanger that allows the unit to achieve industry-leading efficiency levels. Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs; Home Comfort. Q&A: Heat Exchanger Cracks and Carbon Monoxide Myths By Reuben Saltzman In Carbon Monoxide Alarms , cracked heat exchanger , HVAC , NEW On December 2, 2014 I recently had a reader email this question. We offer a large selection of Heat Exchangers, Parts and Accessories. Don’t ignore the possibility. The secondary heat exchanger removes additional heat from the combustion gasses. Proper heat exchanger design in a condensing-type furnace can result in AFUE’s in the 92-96% range. SureLight® ignition gives efficient performance. I think Bryant is a great furnace too. If you have an iron heat exchanger, then you need to find an iron repair liquid, which uses chemical reactions to seal holes in iron. Lennox Ducane Pro-Series 92L73 OEM secondary heat exchanger 2029200 AF90MPB-075. Perfect comfort is comfort that brings you peace of mind. Lifetime Limited Warranty on the heat The main differences between the two are 90%+ efficient furnaces are condensing furnaces via a secondary heat exchanger. furnacebook. Heat Exchangers. 120 Volt Primary 24 Volt Secondary 40 VA. Lack of airflow also leads to much longer heating cycles, so not only is the heat exchanger hotter than it needs to be, it also has to endure the pain for a great time. Further investigation revealed that the return ductwork in the basement was extremely leaky. a broken igniter 2. I was watching local news last year when they used hidden cameras in Furnace Heat Exchanger Crack - Replace or Repair? Quality Lennox Furnace Parts From Repair Clinic. SURELIGHT® INTEGRATED FURNACE CONTROL Ensures reliable and efficient operation. the Lennox duracurve heat exchanger its on the bottom I had a pulse in my home for years and I replaced the heat exchanger when they when they had the recall issue. com takes pride in offering helpful information about Lennox products. Then, when they find a minor crack Cracked Heat Exchanger on Lennox Furnace The furnace (Lennox G26Q3/4) was installed around 1996. Remove all; Is this a furnace with the blower on the bottom blowing up across the primary(and only) heat exchanger. By turning off the burner when the temperature in the plenum rises too high, the primary limit switch functions as a safety device. 1. Gas-Fired Steam Boilers Secondary Condensing Heat Exchanger. All forced air condensing gas furnaces use two heat exchangers. The Dave Lennox Signature series has the most efficiently and quality furnaces range and the model SLP98V with AFUE ratings of 98% and up with dual fuel support and solar ready option can save huge amount of energy and provide consistent air flow with variable energy saving speed motor. Duralok™ heat exchanger – Made of patented ArmourTuf™ steel. A heat exchanger assembly for a fuel-fired furnace, said heat exchanger assembly comprising a primary heat exchanger and a secondary heat exchanger, said primary heat exchanger having a casing with a first passage defining a first pass, a second passage defining a second pass and a third passage defining a third pass, the first, second and Welcome to Shortys HVAC Supplies. The heat exchanger is always under negative pressure, so you would need a massive hole in the heat exchanger to get any CO in the duct work. • The crack is open when the heat exchanger metal is at (or close to) room temperature. A heating & cooling company came out today to discuss installing A/C on the unit. secondary heat Exchanger – Allows the furnace to achieve high efficiency levels by capturing additional heat. Efficiency rating of 95% AFUE. Alot of people still give them a bad name because of the past. The issue here is that repairing a secondary heat exchanger can be very expensive. 47) for long life and durability. variable speed, Yes, Durolok plus, stainless steel secondary heat exchanger, Lifetime  5 Dec 2017 This Lennox gas furnace is built with primary and secondary heat exchangers and condensing technology to capture and transfer more heat  Read more on our Lennox Elite Series High Efficiency Gas Furnace page. These systems are designed  Carrier, Bryant, or Payne furnace problems? Failed secondary heat exchanger in Surrey, Langley, Delta, White Rock or Abbotsford? We can help. SureLight® ignition delivers efficient performance. At Furnace Part Source, we stock plenty of heat exchangers of different shapes and sizes, to ensure that you'll always find the solution that you need for your home comfort. Design Challenges. Durability: With a stainless steel cabinet and an ArmorTuf™ aluminized steel heat exchanger, your ML195 is designed to withstand decades of use. Failed igniter wiring 7. The author has been in the industry for  Fully insulated cabinet—ensures quiet, efficient operation; Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing  6 Jan 2017 Inducer motor runs, furnace starts, blower starts, makes heat, metal ducts blower housing out you will find a secondary heat exchanger that looks like a Lennox made a whole lot of replacement heat exchangers and I saw  Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat; Robust blower assembly—exceeds   Both Lennox and Carrier are major brands that have many different HVAC products Typically the condensing part happens in the secondary heat exchanger  Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat; Robust blower assembly—exceeds   As a Premier Lennox Dealer, we will provide you proper furnace installation and stainless steel secondary heat exchanger—has a robust, time-tested design that This furnace has 10 years warranty on parts and lifetime heat exchanger  24 May 2017 And since a heat exchanger is central to your furnace (it's the part that actually transfers heat to your home's air), if it's Secondary signs:. More Lennox performance features that are standard include the SureLight igniter, 2-stage and variable speed operation along with a secondary heat exchanger for comfort and efficiency, and enhanced humidity control. That’s why we stand behind our innovative heating, cooling and indoor air quality products with industry-leading warranty coverage. SEALED BLOWER COMPARTMENT Tightly sealed blower compartment permits only 1% air leakage, maximizing comfort and efficiency. Under I have a Lennox Pulse 21 furnace installed around 1996 or so. lennox. Insulated blower component stops heat loss. Lennox OEM Parts Dealer has stock for quick Ship to your home or shop. lennox 90ugf-100, 84k47 lb-91398c Is Similar To: 28h02 Lennox Replacement Heat Exchanger Sealed Box (92% similar) Same day shipping if paypal payment is received before 2:00 pm est overnight available. heat exchanger. Page 52 ACTION 2 − Seal leakage if possible, replace heat secondary heat exchanger, and exchanger if necessary, tag and return heat ex- changer to proper Lennox personnel. (Drawings H001, H004) Heat exchanger – A heat exchanger transfers heat No part of this document may be reproduced or transmitted in any form without written permission from the author. This video is unavailable. Its stainless steel secondary heat exchanger allows the furnace to reach high efficiency levels by capturing additional heat. So what to do if your expecting a crack, or you have evidence that there is a crack in the heat exchanger. In fact, some of our furnaces operate at over 90% efficiency, which means that 90% of the fuel you pay for is actually converted into heat for your home. Although Lennox built the Pulse models with heavy duty materials, they noticed a high rate of reported heat exchanger failures. During normal use, a heat exchanger expands and contracts repeatedly as it heats up and cools down. CARRIER CORPORATION - Utcccs-cdn. Heat exchangers are very energy efficient because they can convert energy that may have been wasted into usable heat. When they do fail, it usually means, in automobile language, that the furnace is totaled. com CARRIER CORPORATION Limited Warranty for Condensing Gas Furnace with Tube and Fin Secondary Heat Exchanger FOR WARRANTY SERVICE OR REPAIR: Contact the installer or a Carrier dealer. Rapidtech Course – Lennox Cracked Heat Exchanger In 1990, when I started as a service technician, I had the privilege of working on literally thousands of these Lennox Gas Furnaces. If you trust us to heat your home, we will do our part by only offering heating equipment from the best names in home heating. Air Conditioners; Heat Pumps; Air Handlers; Boilers. Do not use this item for any installation or repair of potable water applications. Thermostat – A thermostat senses the room’s tempera- Retrieve Content The cost to replace a heat exchanger in Minneapolis ranges from $1,000 to $2,000. When it comes to furnace replacement, Oliver offers a variety of models and manufacturer brands for high-efficiency furnaces and standard-efficiency furnaces. Get the lowest prices on Lennox 10X24 Exchangers everyday at FurnacePartSource. on the heat exchanger and a 10-year limited Quebec) or Lennox' base warranty will apply. And usually, homeowners respond with, “Yikes! That’s a lot of dough!” It’s true that the heat exchanger is one of the most expensive parts on a furnace to repair. A clamshell heat exchanger is located within the heat exchanger assembly. Add dual-fuel capability and the homeowner can customize the way they heat, maximizing comfort throughout the home. www. Lennox 57W64 - Secondary Heat Exchanger Coil - Secondary Heat Exchanger Coil I would like to know how to clean the secondary heat exchanger in my furnace. com, if you Duralok PlusTM Heat Exchanger — Made of patented ArmorTufTM aluminized steel. Search. Wrings out more heat through condensation. If the draft inducer motor is defective, the furnace may not heat. This is a close comparison of Trane and Carrier gas furnaces for specific models. A failed ignition/control board 3. We’ve built our brand with the know-how to get you the right part for every repair, on time, every time. Click here to view a comparison Lennox Calgary. Bad secondary heat exchanger. Also taught about them when I did the HVAC program. This Merit®? unit comes with a 5-year limited warranty on covered components, a 20-year limited heat exchanger warranty and more high-quality features: Sealed blower compartment to minimize heat loss; Single-stage heating Some units from Trane and Carrier have a lifetime warranty for primary and secondary heat exchanger. Stainless Steel secondary heat exchanger The hot combustion products pass out of the primary heat exchanger and pass into a secondary heat exchanger. Exchanger  Lennox, Ducane 20285902 heat exchanger collector box rework kit CMPE/ Lennox Ducane Pro-Series 92L73 OEM secondary heat exchanger 2029200  The Lennox Elite® Series EL195E gas furnace makes it easy on the heat exchanger and a 5-year limited Stainless Steel Secondary Heat Exchanger –. Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat; Low-speed fan--provides a consistent, continuous flow of warm air; Secondary heat exchanger; Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency Dual-fuel capable—Can be combined with an electric Lennox® heat pump for maximum efficiency. Each unit is run-tested before it leaves the factory, resulting in high-quality, reliable products. Lennox CB27UH – The CB27UH  Robust stainless steel secondary heat exchanger—allows the furnace to achieve high https://www. It could happen but highly and extremely unlikely. Blower must be removed to do this check. For availability in your area Enter your zip/postal code. Can be paired with a lennox heat pump, increasing your overall energy efficiency. 6. Pour a little bit of the chemical on the hole, and leave it to dry until it seals around the exchanger. Robust stainless steel secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat; icomfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable icomfort Wi-Fi™ thermostat, to exchange information and make adjustments as needed to optimize performance** Lennox Duralok Plus® Heat Exchanger Assembly This is a Lennox developed heat exchanger assembly, made from patented Armour Tuf TM steel. The clamshell heat exchanger includes a first clamshell half and a second clamshell half. The trick to getting this efficiency is a second heat exchanger that condenses the moisture contained in the combustion exhaust and thereby capturing much more of the heat that would be lost up the chimney with mid-efficiency (80-85%) or conventional furnaces (50-79%). Yeah, we know that’s crazy expensive. Thoroughly review this instruction. Meanwhile, your heat exchanger will go through a lot of stress when it is constantly overheated and cooled back down. We Have Thousands Of Genuine Lennox HVAC Repair Parts, Filters and Accessories In Stock 0257F00070 - SUB-Assembly, Heat Exchanger 3 CL 17". Skip navigation Sign in. Lennox designs contain built-in safeguards, such as limit controls, electronic flame sensors and blower-proving switches. I have never heard anything quieter. Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat Low-speed fan--provides a consistent, continuous flow of warm air Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat Low-speed fan--provides a consistent, continuous flow of warm air Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency replacing the secondary heat exchanger, or if you received from Carrier a credit or trade-in allowance for a new furnace purchased as a result of the secondary heat exchanger failure. A secondary heat exchanger can extract even more heat from the combustion gases before sending it out the exhaust pipe. G furnace)? Seems that the only way to access the exterior of the secondary is through the blower compartment, and the inside through the collector cap. Inspect secondary heat exchanger for dirt build-up and clean, as necessary. Modulating gas furnaces are condensing furnaces. Lennox is one of the best furnace brands available in Canada. Schmidt Heating and Air Conditioning handles Lennox, Tempstar and American Standard furnaces. This program extends the basic coverage that comes with Lennox equipment when you register your qualifying product: Parts Supplements the Limited Warranty, increasing coverage on parts from 5 years to 10 years on select Lennox Elite ® Series and Lennox Merit ® Series gas furnaces, air conditioners, heat pumps, air handlers, coils, boilers STAINLESS STEEL SECONDARY HEAT EXCHANGER Allows the furnace to reach high efficiency levels by capturing additional heat. A list of model #s is included in the video. The full payment of $270 would go to furnaces 13 years or younger, with lower amounts for older units. One of the hardest decisions you'll have to make about your Furnace is when it's time for a new heating system for your home. Please consult your tax expert for full details. Press this onto the furnace heat exchanger, and allow it to dry. A blower is located to move air through the cabinet and over the heat exchanger assembly. I check the temperature inside the box it get about 310 degrees. Its function is to mix with unburned gas in the heat exchanger in order to complete the combustion process. The ignitor circuit might have loose or bad wires, or the wiring wasn't connected correctly. Vent temperatures of these furnaces can be as low as 80F. Residential Products. EL296E High-Efficiency, Two-Stage Gas Furnace Dual-fuel capable—Can be combined with an electric Lennox® heat pump for top efficiency. Life tested to -1/ times agency requirements (ANSI standard Z 1. Use Discount Code for Free Shipping on orders over $100. . Over time, this can lead to metal fatigue that results in cracks and separations. Elite® Series EL296V High-Efficiency, Two-Stage Gas Furnace. Today, we’re pushing beyond the traditional parameters of comfort by setting the pace for environmentally responsible climate control. They quoted $3200 to replace the heat exchanger, with other options that involve buying a new furnace. If you’re in the market for a high efficiency two-stage gas furnace, Lennox has the product for you—the Elite® Series EL296V! At Arctic Air Conditioning, we’re a Dave Lennox Premier Dealer™ because we believe in the quality and integrity of their products, including their MODEL 340MAV, 350MAV, 355MAV CONDENSING GAS FURNACE loss of life. the safety swict in by the burners is triping. Especially in oil-fired appliances, the proper design of a condensing-type furnace or boiler requires much more than proper sizing of a secondary heat exchanger. com, home to over 500,000 HVAC parts at the lowest cost. recommended heat transfer fluids and inhibitors when starting up and maintaining the system. A heat exchanger is the most important component of any gas furnace. Duralok Plus® Heat Exchanger: Made of patented ArmorTuf™ steel to ensure high reliability and efficiency. Secondary "Cracked heat exchanger" is a standard scam item to sell new furnaces. hours, with a 60,000 Btuh heating design load and Stay warm for less with the Lennox Elite Series® EL195 Stainless Steel Secondary Heat Exchanger –. Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat Low-speed fan--provides a consistent, continuous flow of warm air Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs; Home Comfort. Lennox Elite® Series EL296E high-efficiency, two-stage gas furnace. combustion air blower. Integrated Two Stage / Variable Speed Blower Control Lennox Duralok Plus® Heat Exchanger Assembly This is a Lennox developed heat exchanger assembly, made from patented Armour Tuf TM steel. Images are for illustration, products subject to manufacturer revision. We Have Thousands Of Genuine Lennox HVAC Repair Parts, Filters and Accessories In Stock & Ready To Ship Right To Your Home. Stainless Steel secondary heat exchanger—has a robust, time-tested design that captures waste heat, allowing the furnace to achieve industry-leading efficiency levels Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and Secondary Heat Exchanger - allows the ML193 to achieve higher efficiency by capturing additional heat. Stainless Steel Secondary Heat Exchanger Has a robust, time-tested design that captures waste heat, allowing the furnace to achieve industry-leading efficiency levels. I'm not sure about any other makes. The enhanced warranty will cover all parts and labor required for a Carrier-authorized technician to repair Trane Versus Carrier Gas Furnaces. Flame Furnace is offering a secondary heat exchanger inspection for only $49. Often high-efficiency furnaces comprise a primary heating chamber that includes the clamshell heat exchangers and a secondary heat exchanger/condenser. Lennox’s Elite series gas furnace utilizes two stage operation in an effort to reduce noise, generate more even temperatures in the home, reduce temperature swings between heating cycles, provide more air filtration, and have fewer on/offs to help preserve the life of the unit. com Contractor Directory to connect with a trusted contractor in your area. * Lennox has always been a leading global name in home comfort. , is enhancing the warranties on its 90-percent-plus-efficient gas furnaces. Stainless steel secondary heat exchanger – enables the furnace to reach higher efficiency levels by capturing extra heat; SureLight ® ignitor allows reliable operation and helps lengthen product life; Duralok Plus ® heat exchanger – made of patented aluminized steel to ensure reliability and efficiency; 20-Year Limited Warranty on heat Condensation isn’t always the problem, however, as leaks can sometimes be caused by a furnace’s secondary heat exchanger. Lennox® furnaces are engineered with one of two types of heat exchangers: Duralok Plus™ heat exchanger, built for Lennox’ high-efficiency (90%) condensing gas furnaces, that’s made of high-quality, patented ArmorTuf™ steel to ensure high reliability and efficiency. A97381 NACE CY Secondary condensing heat exchanger (inside). There is a sliding scale of compensation correlating to the age of the furnace. The heat exchanger is connected inside the furnace or boiler with metal tubes that transport the water and air exchange. This is why it is imperative to access, inspect and clean these coils in order to properly clean the system. com/products/heating-cooling/furnaces/el296v 2 Dec 2014 Please read this article about why heat exchanger cracks do not allow carbon monoxide into the house. Secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat Performance Duralok Plus™ heat exchanger —made of patented ArmorTuf™ steel to ensure high reliability and efficiency Description. A home heat exchanger is less likely to fail due to dirt and grime then a heat exchanger in a car or ship. Gas Furnace Efficiency – The Bryant model 355B is the world’s most energy efficient gas furnace considering gas and electrical consumption combined. SureLight Integrated Control A shell and tube heat exchanger passes fluids through and over tubes, where as an air cooled heat exchanger passes cool air through a core of fins to cool a liquid. The video below covers a recall of Carrier, Bryant and Payne for a secondary heat exchanger rust out problem. Contact DGAT Program at: 1-888-665-4640 or on line at dgatpro-gram@york. If the proper fluids are not used, there is a risk of damage to the heat exchanger, and manufacturers of aluminum heat exchangers may not honor their warranties if the proper fluids have not been used. Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat Lennox Elite Series High Efficiency Gas Furnace. com and www. This is a 2-stage furnace with a variable-speed blower for optimal indoor climate control all year. The secondary heat exchanger or “reheat coil” is almost always located directly above the blower making them prone to collecting more dust and debris than air conditioning coils. This secondary air supply flows into the heat exchanger and around the burner. 0in ESP. There are many areas on a heat exchanger that you can not get to for visual inspections while the heat exchanger is in the furnace. In 1997 Lennox had a recall of all Pulse furnaces made from day one (1981 I believe) up till January 1st 1990. Heil 1011965 - Secondary Heat Exchanger. sureLight® Control Board – All the best 90% gas furnaces have a stainless steel secondary heat exchanger to transfer more heat from exhaust gases. Life-tested in excess of agency requirements for long product life and durability 57w64 Lennox Secondary Heat Exchanger Coil (89. Home Comfort It’s a relatively simple step to convert the basic mid-efficiency furnace design into high-efficiency or condensing furnaces: Just add a secondary heat exchanger to capture more of the heat from Here are some possibilities: 1. Upon registration, the EL296V may be eligible for a 10-year Limited Extended Warranty. Whether you're looking for a carrier condenser exchanger, or Heil, Lennox, or Rheem product, we have something to suit everyone. They had a program for a while where the heat exchanger was pressure tested and checked for leaks. It's a UTC company just like Carrier. The video will be available 2-24-15. A cracked heat exchanger is typically noticed when the homeowner reports not having heat or when the Lennox Pulse furnace heat exchangers were modeled after the German V-2 rockets from WW2,they stopped making them back in the mid 90`s due to faults with the welds on the heat exchangers. Insulated blower component limits heat loss. It's the most common cause of excess carbon monoxide in a home. And if someone is checking carbon monoxide in your duct work to determine a bad heat exchanger, I would be very concerned. But the decision to repair  It has a Duralok Plus heat exchanger, made of patented ArmorTuf steel, and a stainless steel secondary heat exchanger. In condensing furnaces, there is a secondary heat exchanger made up of small tubes that receive the exhaust gases once they have gone through the primary heat exchanger. - I did test with no filter & filter door open to see if it was intake airflow, but it still fails the same. Because the secondary heat exchanger steals so much heat, the combustion gases lose enough energy to condense Well, a primary heat exchanger extracts heat from combustion gases and then imparts that heat to your home’s air. In the secondary heat exchanger, flue gasses are condensed and the residual heat in the condensate is extracted and applied to the air moving across the heat exchanger causing improved efficiency. When taking control of your utility bills is a priority, but you don’t want to sacrifice comfort, the ML195 furnace is a perfect fit. My concern is the fact that mechanics walk past other potential carbon monoxide poisoning issues to get to heat exchanger inspection. Not a member? Register in 3 easy steps, today! Access to pricing and ordering SECONDARY HEAT EXCHANGER To maximize system efficiency, the SLP98V is designed with a secondary heat exchanger that captures waste heat. 1075RPM 115V 24V Secondary. Innovation and Service you can trust. Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat Patented Durolak Plus primary heat exchanger has an outstanding service record. • The service technician has the time, experience, or even reason to suspect the exchanger is cracked. 99! This is a great deal because your heat exchanger needs to checked and/or cleaned periodically in order for it to keep running properly. Lennox 80M49 - R20539403 HEAT EXCHANGER - SECONDARY HVAC. What types of Heat Exchanger are available? There are many different types of heat exchanger available, the three main types that Thermex supplies are; Secondary heat exchanger--allows the furnace to achieve high efficiency levels by capturing additional heat; Low-speed fan--provides a consistent, continuous flow of warm air; Duralok Plus™ heat exchanger--made of patented ArmorTuf™ steel to ensure high reliability and efficiency Dual-fuel capable—Can be installed with an electric Lennox® heat pump for peak efficiency. The ArmorTuf steel is patented and offers energy efficiencies and reliability. An air pressure test has been performed on the heat exchanger and exhaust venting system. Dual-fuel capable—Can be combined with an electric Lennox® heat pump for top efficiency. page 9 g26 heat exchanger fresh air intake surelight ignitor lennox duralokplust fitting corbel orifice heat exchanger as- burner burner box cups sembly access cover manifold gas valve warm head combustion air (collector) blower motor combustion cold header air blower (collector ) A damaged heat exchanger in a gas furnace is potentially dangerous to a home's occupants and should not be ignored. Duralok Plus Heat Exchanger. Lennox developed heat exchanger assembly consists of primary heat exchanger and secondary condenser coil assembly. Reliable Performance: The furnace includes a cabinet and a heat exchanger assembly located within the cabinet. Repair Record and Parts Availability Vitoden 222-F. HVAC Recalls is a compilation of CSPC recalls and service alerts from manufacturers. To perform a pressure test of the Heat exchanger. Here’s how: Your furnace’s blower sucks in cold air from your home and blows it over over the heat exchanger, heating the air. Even though your furnace may look and seem fine, dangerous gases could leak into your home and seriously affect, even kill, your family members. ML195 Gas Furnace. Here, more heat is extracted, resulting in the gases that are cooled to the point that they condense into water and carbon dioxide. 7. Like every Lennox® furnace, the EL296V has undergone rigorous testing in Lennox research lab to ensure the highest level of reliability. As a technician I happen to think the new Lennox equipment is superior. If you pull the blower housing out you will find a secondary heat exchanger that looks like a flat AC coil made from stainless steel Secondary Heat Exchanger - allows the EL296V to achieve higher efficiency by capturing additional heat. Modulating and Condensing - Carrier Versus Lennox Gas Furnaces. It is a system of tubing that the combustion gases pass through on their way out the flue. We are finding a large number of failed secondary heat exchangers in these particular models, which relate to a failure of a polypropylene coating. The company will provide a 20-year parts-and-labor warranty for the secondary heat exchanger. So you can relax and enjoy the warmth. Every furnace has a primary heat exchanger. 20-Year Limited Warranty on heat exchanger 5-Year Limited Warranty on covered components 4. Bryant uses a patented clam-shell type, polypropylene lined secondary heat exchanger on its condensing gas furnaces, whereas all other manufacturers use a fin-tube design. What are the options if a Heat Exchanger is bad? There are only two options if a Heat Exchanger is bad: Replace the heat exchanger or replace the furnace. Robust Stainless Steel Secondary Heat Exchanger – Allows the furnace to achieve high efficiency levels by capturing additional heat. Order From HVACPartsShop Today! Shop a variety of heat exchangers at LennoxPros. Robust stainless steel secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat; iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to exchange information and make adjustments as needed to optimize performance** Dual-fuel capable—Can be used with an electric Lennox® heat pump for highest efficiency. Easy online ordering and next-day delivery available with 24/7 expert product support. there is very little information online other than a few people saying the whole furnace needs to be torn apart to access the secondary Searching for LENNOX Parts? Grainger's got your back. I would not call this list definitive, but it gives a start on how to deal with this problem. The recall was due to an increasing failure rate of the stainless steel welds on the secondary heat exchanger. If the heat exchanger is under warranty, this option is a good way to go unless it is unavailable in the time frame needed, which can be immediate in cold weather. In most cases, it’s a better idea to simply replace the furnace altogether instead of putting money into repairs. SureLight® igniter—silicone nitride construction ensures long product life and reliable operation Lennox. Get the best deals on Industrial Heat Exchangers when you shop the largest online selection at eBay. Secondary heat exchanger also increases efficiency, something which is essential when heating your home. 2. A greater number of rows can be used for larger units, as desired. After looking at the heat exchanger, he told me there was green corrosion and subject to Lennox's recall. Replaces the following part #'s: 14L08, LB-79081AA HEAT EX, LB-79081AA A compact furnace heat exchanger for a gas furnace is disclosed. According to the tech, the heat exchanger is under lifetime warranty and we would have to pay for the blower control board. Variable-Speed Blower Motor Stainless Steal Secondary Heat Exchanger: Older furnaces that only have one heat exchanger waste a lot of heat to exhaust. There are a variety of methods of inspecting or testing heat exchangers. Shop with confidence. #6. SureLight@ Ignitor — Silicon nitride construction for long product life and reliable operation. It uses so much of the heat that much of the moisture contained in the gas and surrounding air used for primary combustion is condensed. The main heat exchanger is the primary heat exchanger and the condensing heat exchanger is called the secondary. Simply put, the furnace heat exchanger is the part of your furnace that actually heats the air. Condensing furnaces have secondary heat exchangers that transfer additional heat into the Furnace heat exchanger life: In this article we discuss residential forced warm air furnace heat exchanger life in more detail, explaining the factors that impact the life of the heat exchanger, things you should do to maximize the life of the furnace heat exchanger, and similarly, things you should not do because they are likely to destroy your furnace before its time. Some cracks have been known to only open when the unit is fired and the heat exchanger metal is hot. The lawsuit is about whether secondary heat exchangers in high efficiency gas stage heating and a secondary heat exchanger. Stainless steel secondary heat exchanger; Lifetime limited heat exchanger warranty  Lennox Elite Series offers efficient furnaces and air conditioners. This is a brand new Original Manufacturer Equipment (OEM) Lennox Armstrong Ducane heat exchanger, part# 14L08. com) 3 year labor warranty Lennox Parts. Integrated Two Stage / Variable Speed Blower Control The ML193 has a Duralok Plus heat exchanger that is constructed from patented ArmorTuf steel that captures waste heat, and a stainless steel secondary heat exchanger that allows the unit to achieve industry-leading efficiency levels. RepairClinic is the leader in Lennox furnace parts -- we have over three million parts in stock including blower motors, heat pumps, thermostats, and much more. STAINLESS STEEL SECONDARY HEAT EXCHANGER Allows the furnace to reach high efficiency levels by capturing additional heat. Well, a primary heat exchanger extracts heat from combustion gases and then imparts that heat to your home’s air. Before You Start Once you have read this instruction view the video tape. Sometimes they rust. 78H55 In-Stock Features an electronic hot surface igniter for increased safety and efficiency, and variable speed maintenance free ECM blower that never needs lubrication, and self diagnostic control module to monitor operation. Stainless Steel Secondary Heat Exchanger — Allows the furnace to reach high efficiency levels by capturing additional heat. Stainless-steel secondary heat exchanger traps extra heat, letting the furnace to reach higher efficiency levels. - Carrier Corp. When we talk about heat exchangers failing, often times technicians and homeowners only think of the cracked heat exchanger. The heat exchanger is the critical furnace component where hazardous combustion fumes are separated from the warmed air that gets circulated through a home. lennox secondary heat exchanger

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