How Do You Replace a Thermal Coupler on a Gas Fireplace

Procedure for Replacing a Thermocouple Turn off the gas supply to the gas valve. Use the wrench to unscrew the connector that holds the thermocouple to the gas valve, then unhook the probe from its clip and pull out the entire thermocouple assembly. Take the thermocouple to the hardware store to purchase a new one.

How do you change a thermocouple on a gas fireplace?

Procedure for Replacing a Thermocouple Turn off the gas supply to the gas valve. Use the wrench to unscrew the connector that holds the thermocouple to the gas valve, then unhook the probe from its clip and pull out the entire thermocouple assembly. Take the thermocouple to the hardware store to purchase a new one.

How do I know if my thermocouple is bad on my gas fireplace?

The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit So you’ve checked your pilot light and even reset it, but still, it wont stay lit. This can be an indication that your fireplace thermocouple is either bad or worn out.