The heil and comfortmaker earlier models had a tendency for the burners to rust over and this in turn would soot up the primary heat exchanger. In some rare cases, it can cause flame impingement when air from the blower enters the heat exchanger. Comfortmaker replacement parts fast shipping at repair. Cracked heat exchanger inspecting hvac systems internachi. If you have an iron heat exchanger, then you need to find an iron repair liquid, which uses.
All forced air condensing gas furnaces use two heat exchangers. Where is the heat exchanger located on a carrier weathermaker 8000 gas furnace so i can check if it is cracked. The qualified installer or agency must use only factory. In the video above the furnace techs says the oxygen reading could rise as high as.
It is a system which controls the primary climate inside your house or home enabling you to stay comfortable and healthy. If the igniter is not cracked, use a multimeter to test the igniter for continuity. Comfortmaker is a brand synonymous with superior manufacturing so when its time for a repair, its time to turn to your trusted online parts store, repairclinic. Comfortmaker furnace furnace not heating repair parts. Replacing a comfortmaker heat exchanger start to finish. Icp furnace gne100 heat exchanger cracked duration. Its not unlike a doctor telling you about the c word. Comfortmaker furnace repair guide 2019 furnaceprices. The burners bolt to the front of this panel, and the heat exchanger bolts to the back. I have a rpj heat exchanger comfortmaker hone furnace. The main heat exchanger is the primary heat exchanger and the condensing heat exchanger is called the secondary. The draft inducer motor draws air into the heat exchanger and then exhausts it out the flue. I have a couple of furnace questions that i would appreciate some help with. Here are the factors that affect the cost of the replacement part.
The heat of the combustion gas raises the temperature of the metal, and as the air from the blower passes around it, heat transfers to it. It has vacuum lines that are connected from the pressure switch to the. In an attempt to sell new furnaces, numerous heating contractors will lie about cracked heat exchangers. We furnish utter edition of this book in txt, epub, djvu, pdf, doc formats. A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. This is because air is leaking through the crack in the heat exchanger into the combustion chamber. The first step is simply to look where most homeowners cant. As a homeowner, getting the news that your heat exchanger is cracked is a bit of a harsh blow. Comfortmaker furnace heat exchanger forced air furnace. A cracked heat exchanger might allow products of combustion to enter the air stream. Furnace size the size is based on the btu capacity of the furnace.
Signs and symptoms of a cracked gas furnace heat exchanger. Basically, the heat exchanger is where the furnace heats the air. A damaged heat exchanger in a gas furnace is not an issue that should be ignored. This furnace contains safety devices which must be manually reset. Cracked heat exchanger is a standard scam item to sell new furnaces. Because it allows the exhaust fumes inside the exchanger to leak into the air. For residents of georgia, having an hvac, or heating, ventilation and air conditioning system, is imperative. If the igniter fails or cracks, the furnace wont heat. When the blower comes on the positive pressure will force air into any cracks or holes and will either increase 02 or dilute co2. Buy comfort maker parts, comfort maker furnace parts. Icp comfortmaker gas furnace multiple failures repaired. You know its serious and you know you need to do something about it.
The extra air will cause the oxygen reading to change notably. The larger the furnace, the larger and more expensive the heat exchanger. Co is produced as a result of incomplete combustion. A warning about cracked heat exchangers in gas furnace. Heat exchanger can crack for various reasons and should be checked every time furnace is repaired or. Cracked or corroded gas furnace heat exchangers leak co and other poisonous gasses into the home.
The heat exchanger was replaced in 2003 for free replace the furnace because cracked heat exchangers. To find just the right part, enter your model number. The units stay enclosed outside or on roofs and come in a variety of combinations. Furnace heatexchanger crack signs your furnace has one. 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.
Metal expands and contracts during temperature changes, so the repetitive cycle of heating and cooling stresses the heat exchanger, eventually causing. Some people choose to live in denial of the seriousness of a cracked heat exchanger. Replacing a comfortmaker heat exchanger start to finish part 2 of 2. Theres a lot of good info on there, but some of it is misleading and there are a lot of straw man arguments made. A damaged heat exchanger in a gas furnace is potentially dangerous to a homes occupants and should not be ignored. Brazing or welding a heat exchanger is illegal in all states that i know. As an example, say the flue starts dumping co2 in the furnace room for whatever reason and rather than good clean make up air, the co2 starts getting drawn in, mixed with the fuel and gets burned in the place of oxygen, the second time through the. Do you have a cracked heat exchanger in your furnace.
Pressure switch is the safety device that proves the ventor motor is working motor above burners connected to vent. Mar 11, 20 as a homeowner, getting the news that your heat exchanger is cracked is a bit of a harsh blow. However, professional hvac technicians always check. Dec 25, 2011 the heil and comfortmaker earlier models had a tendency for the burners to rust over and this in turn would soot up the primary heat exchanger. If any of the rivets are missing, the heat exchanger will need to be replaced.
Replacing comfortmaker cracked heat exchanger from start to finish with close up view of large crack at end of video. Press this onto the furnace heat exchanger, and allow it to dry. According to exclusive buyer realty, flames that flicker or lean more as the house fan. However, professional hvac technicians always check heat exchangers for damage during their preseason maintenance inspection.
Comfortmaker packaged allinone units are designed for the best durability and comfort. The american gas association has even put this in writing they say any visible crack or hole is reason for requiring replacement of the heat exchanger or furnace. Dec 16, 2012 heat exchanger can crack for various reasons and should be checked every time furnace is repaired or maintained. Here are the most common reasons your comfortmaker furnace isnt heating and the parts. Install comfortmaker n8mxl0902116a 80% efficient 90,000. Install new comfortmaker n9mse1002114a 95% efficient 100,000 btus gas furnace and general 17 power humidifier. Combustion pollutants, such as carbon monoxide, nitrogen dioxide and sulfur dioxide, can cause eye and nose irritation, disorientation, sleepiness and nausea. The american gas association has even put this in writing they say any visible crack or hole is reason. If theres a crack in this component, the gases being burned off, such as carbon monoxide, sulfur dioxide, and nitrous oxide.
He also knew that the pressed rings where known to fall off and allow blower pressure into the heat exchanger on aging units. If searching for the book comfortmaker rpj heat exchanger manual in pdf form, then you have come on to the loyal website. Pressure switch fails closed normally this would indicate a failed pressure switch, the furnace will test to make sure the switch is open before starting the ventor motor. Product registration warranty tempstar comfortmaker. Comfortmaker produces furnaces and parts for these like thermostats, valves, burners, blowers, heat exchangers. Carrier common furnace problems premature heat exchanger. Comfortmaker rpj heat exchanger blower fan and ac unit 61 answers i have a comfortmaker rpj model g011 400050 08m pd that when the power is turned on to the unit, the blower fan runs continuously and the outside ac unit runs. Comfortmaker furnace making noise and a cracked heat exchanger.
Visually check heat exchanger for cracks 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 usually makes sense if the furnace is less than 10 years old to replace the. Dec 02, 2015 limited warranty period is 5 years for parts and 20 years for heat exchanger if not the easy touch of total comfort. Comfortmaker is a brand synonymous with superior manufacturing so when its time for a repair, its time to turn to your trusted online parts store. Comfortmaker furnace with cracked front panel heating. You can check the rivets by pushing against each of the four 4 mounting legs. Furnace heat exchanger replacement costs 2020 costimatesfurnace.
When the blower comes on the positive pressure will force air into any cracks. If the furnace is left unattended for an extended period of time. A cracked heat exchanger in a gas furnace is a serious safety issue. I was watching local news last year when they used hidden cameras in an undercover investigation to expose this. Also, as i mentioned previouslythe issues with the secondary heat exchanger cracking. You get a replacement unit if a major component the compressor, coil or heat exchanger should fail during the coverage period. Your complete comfortmaker furnace repair guide with troubleshooting tips. Even though your furnace may look and seem fine, dangerous gases could. Comfortmaker rpj heat exchanger blower fan and ac unit 61 answers i have a. The upper right is a rusted out heat exchanger, the lower right is a cracked heat exchanger that has been brazed back together. The american gas association has even put this in writing they say any visible crack or hole is reason for requiring. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. If the heat exchanger is cracked, the oxygen reading will change a lot when the blower turns on. The contacts in the switch are either stuck together or moisture has entered the switched and seized it in the closed position.
A damaged or cracked heat exchanger is the cause of the leading cause of carbon monoxide poisoning in north america. Dec 19, 2019 there are no cheap or easy ways to repair a cracked or failed heat exchanger, but some are costlier than others. There are older, traditional ways for finding cracked heat exchangers, such as smoke bomb methods, which contractors have relied on for years. Mar 16, 2016 comfortmaker furnace making noise and a cracked heat exchanger. Bearings were going on the inducer motor and i did a heat exchanger check and this is what i found. A from the manufacturer, and i was posting to see if anyone knows of an extremely high temperature sealant that can be used to temp. Cracked or corroded gas furnace heat exchangers leak co and other poisonous gasses into the home living area though air ducts.
The cause of cracked heat exchangers avoid this common scam. Mar 11, 2006 thats not to say that a cracked heat exchanger is not potently very dangerious because it is. Comfortmaker air conditioners, heat pumps, and furnaces deliver energy efficiency with exceptional. Comfortmaker furnace with cracked front panel heating help. There are two basic parts of a air conditioning system a the condensing unit and the indoor coil.
To determine if the igniter is faulty, remove the igniter and inspect. This trips a safety switch and shuts down the furnace. Leaking and broken heat exchangers expose homeowners to toxic gases, which can be very. May 12, 2000 miss a cracked heat exchanger and you put the homeowners at risk. The igniter gets very hot and glows bright orange to light the gas burner.
You can benefit from the decades of experience comfortmaker brings to heating and cooling systems. Find them too often, and your company could get a rep for using scare tactics. Comfortmaker replacement parts fast shipping at repair clinic. Miss a cracked heat exchanger and you put the homeowners at risk. A burner with a moving yellow flame can mean that the burner is dirty or that the heat exchanger is cracked. The main heat exchanger is the primary heat exchanger and the condensing heat exchanger is called the.
Replacing a comfortmaker heat exchanger start to finish part 1 of 2. Combustion gases leaking from a cracked heat exchanger can cause frequent headaches as well as flulike symptoms. Usa a combustion anylizer with the burner running and let the readings stabilize. Comfortmaker rpj heat exchanger manual mar 03, 2008 i have a 15 year old comfortmaker furnace. It is not effective as the heat exchanger cracks next to the welds. Document size uploader comfortmaker rpj heat exchanger blower fan and ac unit page 5 5 months ago. Signs your heat exchanger is cracked romaniuk edmonton. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not the easy touch of total comfort. Even if your furnace looks fine, a cracked heat exchanger could lead to dangerous gases being leaked into your home. Heat exchanger cracked, deformed or burned through or 1 or more overflame baffle pop rivets are missing. We have the comfortmaker furnace parts, heat pump parts and air conditioner parts you need for a quick and easy diy repair.
In short, when the heat exchanger cracks, the furnace is finished. Cracked heat exchanger furnace trouble shooting help. With a no hassle warranty, at least youll get a new furnace. The your heat exchanger is cracked so your furnace must be replaced scam. Carbon monoxide is a byproduct of incomplete combustion of fuels such as petroleum and wood. Furnace inspection cracked heat exchanger carbon monoxide hazard. If theres a crack in this component, the gases being burned off, such as carbon monoxide, sulfur dioxide, and nitrous oxide, could leak into your home, causing illness or, in extreme cases, death. According to exclusive buyer realty, flames that flicker or lean more as the house fan comes on a couple of minutes after ignition, are possible signs of a cracked heat exchanger. Pour a little bit of the chemical on the hole, and leave it to dry until it seals around the exchanger. Dec 02, 2015 a cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. 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.