Gas Furnace Heat Exchanger Rust

Factors that damage your heat exchanger.

Gas furnace heat exchanger rust.

Once a furnace is in service long enough the heat exchanger will eventually crack simply from the built. If the burners on your furnace aren t combusting the gas properly they could burn hotter heating up the metal of the heat exchanger to higher temperatures causing cracks. Read on to learn more about what causes your heat exchanger to rust or crack and how to address the damage. It has also been called the hot box the fire chamber and others and is simply the area where the flames enter your system.

Rust poses a particular danger to your furnace and you. If you do notice corrosion anywhere on your furnace shut off the gas and contact a professional to check on the system. Signs your furnace has a cracked heat exchanger. Today i am writing about furnace heat exchangers and how rust in the exchanger can tell you about the condition of your gas furnace.

If a heat exchanger becomes cracked then your heating system will not perform as it should. Every furnace contains a heat exchanger. If cracks occur in a heat exchanger because of the weakening effect of rust it can lead to dangerous carbon monoxide leaks. It might seem as if a few spots of rust are no big deal but the concern is corrosion along the heat exchanger.

As your furnace ages you may start to notice problems such as rust. Sometimes condensation occurs with gas furnaces. This combustion process generates heat energy from the fuel source. Consequently air temperature becomes hotter.

The combustible gas will become hotter as it accumulates in the exchanger. If this condensation isn t cleaned out or disposed of properly the heat exchangers could rust. Proper maintenance annual fall furnace tune ups can help a furnace last a long time but wear and tear eventually takes its toll. It s an essential part of the heating process.

You don t want this to occur to your furnace especially along the heat exchangers. Corrosion weakens metal and this can allow the heat exchanger to crack and toxic combustion gases to seep into. A furnace that has worked effectively for 20 years has more than lived up to its potential and it is probably time to retire it before it retires itself at a very inconvenient time. To create heat your furnace combusts fuel typically gas but other varieties exist in a sealed chamber.

What is the furnace heat exchanger. A furnace is a reliable and energy efficient way to provide heating for pacific northwest homes. There are a number of ways that your heat exchanger can become damaged or cracked. Corrosion across the heat exchanger.

The great danger of rust to metal is that it eats away at the metal and eventually causes it to crumble and flake away.