Weld the sheet metal some more as it dries.
Can a furnace heat exchanger be repaired.
Electric furnaces do not have a heat exchanger.
It s possible to repair a cracked heat exchanger but the repair is a costly one.
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.
Pour a little bit of the chemical on the hole and leave it to dry until it seals around the exchanger.
Press this onto the furnace heat exchanger and allow it to dry.
Occasionally cracked heat exchangers cause the flame to roll out and trip the safety switch shutting off your furnace.
A furnace with a cracked heat exchanger is usually an exception because of the cost of the repair.
Most repairs require a component that will return the furnace to normal and safe operation.
If the furnace is 10 years old or newer it s likely under some sort of protection agreement.
How to determine if a furnace has a cracked heat exchanger most problems with a gas furnace can be repaired though the repair cost is not always justified.
When a gas furnace heat exchanger fails not only is it dangerous and can result in carbon monoxide poisoning the heat exchanger replacement cost is usually on the high side of typical furnace repair costs.
Our friendly professional technicians are ready to help.
The best way to repair a cracked heat exchanger is to remove it and put in a new one.
Reimer home services is buffalo s trusted name in heating repair services.
If your furnace is no longer under warranty the decision becomes a little more difficult.
A typical furnace will last about 20 to 25 years.
The furnace heat exchanger is the one of the main components inside the gas furnace and it s used to transfer the heat from the gas burner to the warm air that s blown into your home.
While we don t really repair cracked heat exchangers it s sometimes possible to replace them without replacing your entire furnace.
Often a repair that s too expensive compared to having a new furnace put in.
Check your documentation or contact the installer to find out.
And because it can take up to 8 hours or longer to replace a heat exchanger the labor itself is the bulk of the repair cost.
So if your furnace is still under its labor warranty we definitely recommend replacing just the heat exchanger since most of the repair cost will be covered under warranty.
So the first thing to do is to check your furnace s warranty.
This doesn t require replacing other parts of the furnace.