How do you change a thermocouple on a gas boiler?
- Shut off the gas and electrical power to the furnace.
- Remove the furnace's access cover.
- If the furnace has been running, wait 30 minutes for the thermocouple to cool completely.
- Unscrew the nut that holds the thermocouple end fitting into the gas control valve, using an open-end wrench.
Accordingly, how much does it cost to replace a thermocouple on a boiler?
Thermocouple Replacement - $20-$150 Calling a professional plumber to install a new thermocouple should only be up to $150. If you do the work yourself, you will only pay the price of the part which is about $20.
Also Know, are thermocouples universal? Universal Thermocouples. Universal thermocouples, as the name implies work on most water heaters. They are available online and in home supply stores for a reasonable cost. The length and the thread type are the two concerns when purchasing one.
In this way, how do you change a thermocouple?
How to Replace a Water Heater's Thermocouple
- Turn off the gas supply.
- Unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.
- Detach the thermocouple from the burner.
- Install the new one the same way that you removed the old one.
- Turn the gas back on and follow the lighting instructions on the water heater.
How do you change a thermocouple on a gas fireplace?
Place the new thermocouple in the same place your old one sat and close up the fireplace to conduct a test. Turn the gas back on and relight the pilot light. Give the thermocouple about 15 minutes to heat up and then turn on the flame to make sure it all stays functioning.