We would have to pay for the labor which he said would take a day to do. Weve built our brand with the knowhow to get you the right part for every repair, on time, every time. The furnace heat exchanger is the one of the main components inside the gas furnace and its used to transfer the heat from the gas burner to the warm air thats blown into your home. If the heat exchanger is cracked, the oxygen reading will change a lot when the blower turns on. Even though your furnace may look and seem fine, dangerous gases could leak into your home and seriously affect, even kill, your family members. Prevent a cracked furnace heat exchanger romaniuk edmonton. How do you guys diagnose cracked or bad heat exchangers. Duralok plus heat exchanger, built for lennox highefficiency 90% condensing gas furnaces, thats made of high. Does it make sense to replace the heat exchanger or should the whole furnace be replaced. This site is not here to sell products or promote services. Should i replace my heat exchanger or buy a new furnace. Remember that your furnace is burning some type of material in order to generate heat, but this process should be taking place inside your furnaces heat exchanger itself. Its basically what allows a furnace to heat up the air that travels through the ventilation system. Lennox product warranty information lennox residential.
Ive got a new born baby in the house and this junk of a furnace is always down. There is one gas furnace problem we want to draw your attention to, because its the most common reason for a furnace allowing toxic gasses into a home. Lennox furnace replacement parts fast shipping at repair clinic. The your heat exchanger is cracked so your furnace must be. Furnace heatexchanger crack signs your furnace has one. Dec 02, 2015 proper diagnosis of a failed or cracked heat exchanger. Signs your heat exchanger is cracked romaniuk edmonton. 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. Carbon monoxide is a byproduct of incomplete combustion of fuels such as petroleum and wood.
A damaged heat exchanger in a gas furnace is potentially dangerous to a homes occupants and should not be ignored. It is usually an indicator of more trouble in the future, and should not be taken lightly. This is an excellent way to get honest input from trained craftsmen. Supplements the 20year limited warranty coverage on heat.
Weve met with lots of homeowners looking for a second opinion about a supposedly cracked heat exchanger. Danger of a furnace with a cracked heat exchanger servicemax. While labor costs for replacements are generally not part of the pulse furnace warranty, lennox will pay a reasonable allowance to the dealer for installation costs as part of this inspection program. A heat exchanger is made of thin metal, and as it heats up from the combustion of the furnace, it transfers the heat to the air being distributed through the house by the blower 3. Dec 16, 2012 heat exchanger can crack for various reasons and should be checked every time furnace is repaired or maintained. You will find most cracks form near the back and where the heat exchanger metal bends, since this is where it will be weakest due manufacturer weakening the metal by bending it. Theres a lot of good info on there, but some of it is misleading and there are a lot of straw man arguments made. When a heat exchanger becomes damaged and the combustion fumes and gases mix with the clean air, serious consequences can result.
Ibbotson htg co arlington heights, illinois hvac dealer. When a furnace has a cracked heat exchanger, can it be. This one did but, see the cracked heat exchanger in this lennox g20 furnace. Also, that the xair % does not necessarily mean that the heat exchanger is cracked. 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. Even though your furnace may look and seem fine, dangerous gases could leak into your home. I will have another company come out to give me a second opinion. Apr 20, 2020 run like hell from this lennox furnace. Mar 11, 20 as a homeowner, getting the news that your heat exchanger is cracked is a bit of a harsh blow. Lennox furnaces are engineered with one of two types of heat exchangers. If it is a small hole or crack, then it is a minor issue that needs to be corrected generally by replacing the furnace or heat exchanger. Ibbotson has taken excellent care of every challenging hvac issue our old homes have thrown at us. I bought a house with an old lennox pulse furnace and am getting conflicting information about it. Cracked heat exchanger on lennox furnace the furnace lennox g26q34 was installed around 1996.
Furnace heat exchangers what is a heat exchanger in a furnace. From replacing an old heater with a cracked heat exchanger to improving airflow through a maze of old ductwork with the best possible damper arrangement and boosters, they work hard to find the right solution for us. A damaged or cracked heat exchanger is the cause of the leading cause of carbon monoxide poisoning in north america. A heat exchanger is a heating component inside furnaces that transfers heat to the surrounding air, which is then distributed throughout the home. Heat exchanger assembly, 108k btu, stainless steel. The reason a crack in a heat exchanger is such a cause for concernand reason to think about replacing a furnace is because it creates a major health hazard. Diagnosis of a heat exchanger crack typically starts with a no heat service call. According to the tech, the heat exchanger is under lifetime warranty and we would have to pay for the blower control board. So on the lennox duracurve heat exchanger its on the bottom curve in the back. The gases will continue to seep into your homes air. Leaking and broken heat exchangers expose homeowners. The extra air will cause the oxygen reading to change notably. If the warranted heat exchanger needs replacing, lennox will provide a new heat exchanger at no cost to the owner. The furnace lennox g26q34 was installed around 1996.
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. This video is about the your heat exchanger is cracked so your furnace must be replaced scam. Were you recently told that your furnace heat exchanger is cracked and needs to be replaced. Cracked heat exchanger furnace trouble shooting help. 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. Gas furnaces whisperheat g20ex engineering data upflow gas. If the heat exchanger is cracked, byproducts of the combustion process that takes place within the component can spill out. Or, have you wondered just how safe your furnace may be.
Oct 11, 2012 i have noted that the g23 heat exchanger has a 20 year warranty and that it should take around 90 minutes labor cost to replace it. I bought a house with an old lennox pulse furnace and am. Dangerous cracked heat exchangers in furnaces carbon monoxide detectors and cracked heat exchangers. Carrier common furnace problems premature heat exchanger. If you are a technician this is a must see video on where these lennox curved heat exchangers fail. In the video above the furnace techs says the oxygen reading could rise as high as. A cracked heat exchanger in a gas furnace is a serious safety issue. This is because air is leaking through the crack in the heat exchanger into the combustion chamber. Its not unlike a doctor telling you about the c word. The your heat exchanger is cracked so your furnace must be replaced scam duration. Heat exchanger, pressure switch, induction fan, water leaks and more, except heat. Many companies, upon finding a cracked heat exchanger, will shut your furnace down so you cannot run it.
Yes, a cracked or damaged furnace heat exchanger is a major danger to you and your family. The maple leaf symbol in this bulletin denotes canadian only usage where applicable note due to lennox ongoing committment to quality, specifications, ratings and dimensions subject to change without notice and without incurring liability. Every cracked heat exchanger needs to be replaced, either by replacing the heat exchanger itself or by replacing the entire furnace. A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. A well qualified hvac technician will look for a furnace cracked heat exchanger during a maintenance check. Oct 18, 2017 not only is furnace performance an issue, but heat exchanger malfunctions can pose serious health and fire risks. Some holes or small openings may have been there for years. The reason a crack in a heat exchanger is such a cause for concernand reason to think about replacing a furnaceis because it creates a major health hazard. Signs your furnace heat exchanger may be cracked romaniuk. In a furnace, vent gases need to be kept at certain temperatures to keep the moisture in the gas from condensing in the wrong places, bob explains. A number of things can go wrong in a furnace, but of all those things, a cracked heat exchanger is one of the most severe problems.
In this video you will discover where all the lennox curved heat exchangers fail and why. The cause of cracked heat exchangers avoid this common scam. Can you repair a cracked heat exchanger on a gas furnace. Heat safety is paramount so have your furnaces inspected immediately for a cracked heat exchanger. Lennox g26 cracked heat exchanger on a water leak call youtube. Heat exchanger cracks are a serious furnace repair issue. The moisture in burned gas is slightly acidicabout the same level as a tomatoand this acid will corrode a heat exchanger over time. Nov 15, 2016 the heat exchanger is the most important part of your heating and cooling system, allowing heat to transfer between mediums to keep your home at the optimal temperature. The heat exchanger is a metal container inside the furnace that collects hot combustion gas from the burners. Simple furnace heat exchanger test hvac learning solutions. This trips a safety switch and shuts down the furnace. Even though your furnace may look and seem fine, dangerous gases could. 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. Some people choose to live in denial of the seriousness of a cracked heat exchanger.
However, if a crack develops in your units heat exchanger, then you might be looking at either an expensive repair or replacement. In an attempt to sell new furnaces, numerous heating contractors will lie about cracked heat exchangers. You know its serious and you know you need to do something about it. 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, minisplits and residential packaged units.