Cracked Heat Exchanger Boise
Many companies today are looking for and reporting more cracked heat exchangers than ever before. We wanted to post a blog about this so consumers know a bit more about the subject. Let’s start by explaining what a heat exchanger is and what it does. A heat exchanger on a gas furnace is a metal box in which flames pass through as they go from your furnace to your flue. Exchangers sit in the air stream of the house air and are sealed so that the two never meet.
Why This Is Dangerous
When you have a crack in this box a few things are likely to happen. The first is that the pressure from the indoor fan motor pushing air through the furnace can cause the flames to roll out into the furnace cabinet. This can cause a fire, carbon monoxide into the surrounding air, or hopefully just result in a tripped safety switch. The second major issue is that the carbon monoxide from the heat exchanger can be passed through to the indoor air stream. This is going to allow it to directly enter your home every time your furnace runs. CO is a very poisonous gas (see blog carbon monoxide) and is nothing to take lightly. Let me add that any service company that finds a crack should shut the furnace down and inform you of the danger.
Heat Exchanger – What They Didn’t Tell You
Now the stuff they won’t tell you. Most furnace heat exchangers are warrantied for 20 years. I can’t tell you the times we’ve been told of someone needing a new furnace only to find out it is under warranty. Replacing an 80% heat exchanger is a simple repair and will bring most furnaces back to normal operation. Many brands are known for having cracked heat exchangers so technicians know just where to look on that brand. In many cases the heat exchanger has been cracked for years. Most cracks are small and do not leak CO, yet. However a crack is a crack, at any time a crack can become larger and cause serious issues. Furthermore welding the crack is NOT an acceptable option. If any company offers to repair the heat exchanger in any way make sure you call another company.
AcRepairBoise.com
I hope this blog has helped you understand heat exchangers and what they do. For more information on this and other subject be sure and check our blog site regularly. If you need assistance be sure and give us a call at (208) 898-9888. For all of your heating and cooling repair needs, Call the honest experts!
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