Trane cracked heat exchanger

The larger the furnace, the larger and more expensive the heat exchanger. A damaged heat exchanger in a gas furnace is potentially dangerous to a homes occupants and should not be ignored. Heating and air conditioning contractors rarely find furnaces with cracked heat exchangers. Can you repair a cracked heat exchanger on a gas furnace. A cracked heat exchanger could allow exhaust gas from the furnace to contaminate the household air with carbon monoxide. Signs and symptoms of a cracked gas furnace heat exchanger. Furnace heat exchanger replacement costs 2020 costimatesfurnace. If you suspect you have one, you need it fixed quickly. Heat exchanger must ship via truck please call commitment. In addition to being necessary to register for a trane warranty, your serial number includes some vital information about your unit if you can decipher the confusing serial number nomenclature.

An incorrect ratio produces not only excess soot, but may also release. Here are some signs that may indicate your issue is a cracked or malfunctioning heat exchanger. Pour a little bit of the chemical on the hole, and leave it to dry until it seals around the exchanger. Dangerous cracked heat exchangers in furnaces fossil fuels and cracked heat exchangers anyone who has an oil or gas boiler, oil or gas furnace, gas logs whether they be propane or natural gas, a gas stove or oven, or any woodburning appliance or fireplace, or appliance or heating device that burns fossil fuels you need a carbon monoxide. In some rare cases, it can cause flame impingement when air from the blower enters the heat exchanger.

The ground wire in the furnaces junction box can become loose. What a cracked heat exchanger means comfort flow heating. Mar 11, 20 more commonly, the cause of a cracked heat exchanger is misapplication or poor maintenance of the furnace. Furnace heatexchanger crack signs your furnace has one. I suspect the collector box in the secondary heat exchanger is cracked and leaking water. When faced with that decision, something to consider is the age of your unit. Air from the blower passes over the exchanger and heats up because of the hot metal. I am the original owner, and the unit is 12 years old. Cracks formed at the screw locations and propagated. A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. Ct monday through friday, or visit the firms web site at. What causes excess soot buildup in a propane furnace. Dec 19, 2019 there are no cheap or easy ways to repair a cracked or failed heat exchanger, but some are costlier than others.

Nov 02, 2017 combustion test to determine if the heat exchanger is cracked duration. Dec 03, 2018 heat exchanger cracks are worth finding but they arent the most dangerous issue for your customers in most cases the reason i make this blasphemous statement is twofold. 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. Cracks in the heat exchanger are a serious problem and one that should not be ignored both for the safety of your home and for the longevity of your furnace. Stamped serpentine channel offers the greatest efficiency in less space. This gas furnace has a patented heat exchanger that is designed with a serpentineshaped channel. 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. If you call someone and they merely look at it, youve called the wrong person.

Because heat exchanger repairs are so expensive, should you replace it or get a new furnace. The furnace in this video was condemned by a contractor informing the homeowner that they have a cracked heat exchanger. A crack in your heat exchanger can turn your tool fo comfort into something much more dangerous. The heat exchanger is aptly named it collects air through the ventilation system and exchanges it to heat with the help of the furnace burners. A warning about cracked heat exchangers in gas furnace. The extra air will cause the oxygen reading to change notably. A combustion analyzer gives us co and oxygen readings. We have hounded trane for months and the do not admit there is a problem with their product. A cracked heat exchanger is pretty serious, as far as safety for your home goes. Nov 18, 2011 how to spot a cracked cold header on a trane 90%.

For assistance in locating a local independent dealer, contact trane at 800 94044 between 7. Hvac service calls replacing a trane heat exchanger in the. Lets assume your heat exchanger is actually cracked. If its older than 10 to 12 years old, you may want to go with replacing the entire furnace. However, if a crack develops in your units heat exchanger, then you might be looking at.

A look at a heat exchanger crack that cant be found youtube. If it cracks after the warranty is up, usually at least 20 years, consider replacing the entire furnace. In some cases, an oldfashioned visual inspection makes the most sense, either by removing the blower or the high limit or both and using a mirror or borescope to inspect. However, given the highstake dangers associated with carbon monoxide inhalation, the general recommendation from the cdc is to deal with potential sources of this gas as soon as possible.

Signs your heat exchanger may be cracked or damaged include. This one is about a crack i found in a heat exchanger that caused no symptoms. The heat exchanger serves a vital function the heating cycle of a furnace. Als sells and installs new hvac systems from american standard made by the same company as trane, ameristar made by same company as. Many heat exchangers are at a negative pressure in reference to the air moving over the exchanger. 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. Next, turn on the blower and see if there is a change in the exchanger.

The secondarys crack easily seen behind the transition receptacle for the inducer but those are not the cracks im talking about. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. Should i replace my heat exchanger or buy a new furnace. All too often, furnaces are grossly oversized or used incorrectly which causes the heat exchanger to fail prematurely.

However, professional hvac technicians always check heat exchangers for damage during their preseason maintenance inspection. Cpsc, trane company announce recall of voyager heating and. If an electrical component then fails and short circuits, the unit poses a shock hazard. This is because air is leaking through the crack in the heat exchanger into the combustion chamber. Any change is an indication of a heat exchanger leak. Combustion test to determine if the heat exchanger is cracked duration. If the heat exchanger is under warranty, this is a good way to. As for the crack, your major failure is visible in the 3rd pic, just. Were you recently told that your furnace heat exchanger is cracked and needs to be replaced. Would this repair be covered under the limited lifetime warranty on the heat exchanger that trane says it covers. The trane xe 90 furnace has an afue rating of more than 90 percent, meaning that 90 percent of the fuel you use is directly turned into heat. Before you consider running your furnace with a cracked heat exchanger. Replacing a heat exchanger on an 80% trane youtube.

I was a field service rep for trane dso in louisville. This video is part of the heating and cooling series of training. Oct 30, 2019 air is heated as it is blown across the hot metal surface of the heat exchanger. Co is produced as a result of incomplete combustion.

Old trane gas packaged unit heat exchanger rusted youtube. Trane xe90 replace heat exhcange or the whole furnace our service company was here today and told us there is a hole in our heat exchange. Short of seeing a visible crack, a combustiongases analysis is the surest way to determine if the heat exchanger is cracked. Replaced trane gas furnace warranty heat exchanger.

Expert express plumbing heating and air conditioning 31,924 views. Theres a lot of good info on there, but some of it is misleading and there are a lot of straw man arguments made. The service technician has the time, experience, or even reason to suspect the exchanger is cracked. When they do, it is often caused by preventable reasons. By reuben saltzman in furnace certifications, hvac on october 6, 2009. Oct 18, 2017 cracked heat exchangers pose a risk of carbon monoxide poisoning carbon monoxide is produced by combustion but is typically vented safely from the furnace out of the home, but if the heat exchanger is cracked, carbon monoxide can leak into the home. 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. If the heat exchanger is cracked or if the burner is dirty, youll see a moving yellow flame. In the video above the furnace techs says the oxygen reading could rise as high as. Your homes heat source is extremely important to maintain especially in times of cold weather. A cracked heat exchanger might allow products of combustion to enter the air stream. The cause of cracked heat exchangers avoid this common scam. Here are the factors that affect the cost of the replacement part. Mar 19, 2007 the crack is open when the heat exchanger metal is at or close to room temperature.

Ignoring a cracked heat exchanger could be deadly and costly. Dec 04, 2014 i have a trane xe80 system and it appears there is an air flow problem in or above the heat exchanger. I have a trane xe80 system and it appears there is an air flow problem in or above the heat exchanger. This video covers the trane model tuc and a failure in the heat exchanger. Older furnaces can develop major issues, such as a cracked heat exchanger. This metal, clamshellshaped chamber collects the combustion gas from the burner, which heats up its walls. Replaced trane gas furnace warranty heat exchanger youtube. When you suspect the system may have an exchanger leak you can place a manometer probe in the exchanger and seal off the inletoutlet of the exchanger as best you can with the gas shut off obviously. Every cracked heat exchanger needs to be replaced, either by replacing the heat exchanger itself or by replacing the entire furnace.

If the heat exchanger is cracked, the oxygen reading will change a lot when the blower turns on. The heat exchanger is cracked or otherwise has an air leak. Read our blog to learn what to do if this happens to you. Furnace size the size is based on the btu capacity of the furnace. The heated air is then distributed through the house to warm it. Trane will completely replace the heat exchanger end plate and internal flue gas tube assemblies in all recalled units at no cost to the consumer. The soot insulates the heat exchanger causing less heat to pass through the heat exchanger and more to go up the chimney. A furnace with undersized ductwork will lack proper airflow and suffer a similar fate as that of a clogged filter. Trane xe90 replace heat exhcange or the whole furnace.

This trips a safety switch and shuts down the furnace. Theres something wrong with how the system is combusting gas. The heat exchanger on a furnace is the section that keeps the combustion chamber and the breathing air separate 3. Trane recalls furnaces due to shock hazard recall alert name of product. When you do find a cracked exchanger it should be quoted for repair and the furnace turned off. 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. Inefficient combustion causes soot to build up on the heat exchanger. 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. When a heat exchanger becomes damaged and the combustion fumes and gases mix with the clean air. Either the heat exchanger or furnace must be replaced your options if the heat exchanger has cracked. The correct airtofuel ratio is critical for clean burning.

Press this onto the furnace heat exchanger, and allow it to dry. At its outset, a cracked heat exchanger is a problem that will go unnoticed by most homeowners. 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. Soot can leak out of your heat exchanger if theres a crack. Some cracks have been known to only open when the unit is fired and the heat exchanger metal is hot. 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. The crack is open when the heat exchanger metal is at or close to room temperature. The heat exchanger is a set of coils on top of a burner. Cracked heat exchangers pose a risk of carbon monoxide poisoning carbon monoxide is produced by combustion but is typically vented safely from the furnace out of the home, but if the heat exchanger is cracked, carbon monoxide can leak into the home.

The first step is simply to look where most homeowners cant. If your heat exchanger is cracked, it can be dangerous for you and your family. One typical furnace issue that many homeowners experience is a cracked heat exchanger. More commonly, the cause of a cracked heat exchanger is misapplication or poor maintenance of the furnace. Apr 20, 2020 the trane xe 90 furnace has an afue rating of more than 90 percent, meaning that 90 percent of the fuel you use is directly turned into heat.

In order to keep your furnace running smoothly, you will need to stay committed to a regular maintenance schedule and be aware of common problems that furnaces face. Does the actual stainless heat exchanger have to be cracked for warranty coverage, or is this collector box considered a part of the heat exchanger and covered. If you see rust in the left or right corners on a 90% trane or rust on the screws around the main drain off the cold header you could have a cracked cold header. The american gas association has even put this in writing they say any visible crack or hole is reason. We use it to check co levels given in parts per million, or ppm and determine for sure whether theres a crack in your heat exchanger. I have a trane xe80 system and it appears there is an air. Once the thermal expansion has damaged the metal, it cannot be reweldedetc. How much does it cost to replace a heat exchanger in denver. When air flows over the heat exchanger, hot gases are pulled through the channel by an induction vent fan.

The bad part is the customers that decided to repair the furnace are replacing the heat exchangers with the same one that failed early. Hvac service calls replacing a trane heat exchanger in the rain sacramento heating repair. Basically, the heat exchanger is where the furnace heats the air. Nowadays, checking for a cracked heat exchanger is way more scientific. If you open up your furnace and see a black carbon buildup on the surfaces there, this is another. Because it allows the exhaust fumes inside the exchanger to leak into the air. There are dangerous gasses in your heat exchanger, the most dangerous being. 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.