Clunk! Thunk! Hiss! Rattle!
If any of these sounds are being made by your furnace, you’ve got a problem on your hands. Mainly, you need to get furnace repairs ASAP. It doesn’t bode well when you delay a furnace repair. Why? Because the issue could magnify and create more issues, or even worsen to the point that your whole furnace needs to be replaced. Some repairs can be pretty dangerous to the health of everyone in the home too.
In fact, we want to zero in on one of the most important repairs that you may need to make on your furnace that you absolutely cannot put off: fixing a cracked heat exchanger.
What is a Heat Exchanger?
Your heat exchanger is a part of your natural gas furnace. This metallic, clam-shaped chamber, is the place where the combustion gas flows into. The heat held in the gas warms the metal and that heat is blown into the home. This is the key part of the furnace that heats the air, keeping you comfortable. However, if there is a crack in your heat exchanger, the problem it creates goes far beyond lost heat.
Why is a Crack a Problem?
Remember how we said the heat exchanger holds the combustion gas? If there is a crack in the exchanger, this means that the fumes have the ability to escape and leak into the home. One of the most well-known gases that this includes is carbon monoxide AKA The Silent Killer. As you can see, a cracked heat exchanger can very easily cause a huge problem for the comfort and health of everyone in your home.
Identifying the Problem
So, how can you tell that the heat exchanger in your furnace is cracked? There are a couple of signs that could indicate you have a crack that needs to be dealt with. These include:
- The smell of gas: While carbon monoxide has no smell, there are other gases in your furnace that do. If you start smelling gas or rotten eggs, it means there is likely a crack in your heat exchanger.
- Changes in your pilot light: If you notice that your normally stable, blue pilot light is now yellow and flickering, it is an indicator of the presence of carbon monoxide.
- Your CO Detector is going off: This is pretty self-explanatory but to be clear, if your CO detector goes off, you will want to turn off your furnace and have it checked.
At the end of the say, if you notice any signs that your heat exchanger may be cracked, your best course of action is to turn the heater off and call for repairs.
Stay Safe With Timely Repairs
When your furnace is in need of repairs, the sooner they are taken care of. This is especially true if you encounter a cracked heat exchanger but really any repair need should be addressed quickly to keep your furnace in good working condition and make sure you aren’t without warmth when you need it the most.