How To Change A Thermopile On Gas Fireplace

If your gas fireplace is not working properly, it may be due to a faulty thermopile. The thermopile is a small device that generates electricity when it is heated by the fireplace flame. This electricity is used to power the fireplace's gas valve, which controls the flow of gas to the fireplace. If the thermopile is not working properly, the gas valve will not open and the fireplace will not light.

Replacing a thermopile is a relatively simple task that can be completed in about 30 minutes. However, it is important to follow the manufacturer's instructions carefully to avoid damaging the fireplace or the thermopile.

Here are the steps on how to change a thermopile on a gas fireplace:

Turn off the gas supply to the fireplace.
Remove the front panel of the fireplace.
Locate the thermopile. It is usually located near the top of the fireplace, behind the burner.
Disconnect the wires from the thermopile.
Remove the old thermopile.
Install the new thermopile.
Connect the wires to the new thermopile.
Reinstall the front panel of the fireplace.
Turn on the gas supply to the fireplace.
Light the fireplace.

If the fireplace does not light, check the following: