Replacing Thermal Coupler On Water Heater

By james carey morris carey.

Replacing thermal coupler on water heater.

My 8 year old water heater stopped working. Rheem gasket replacement kit with thermocouple for fvir water heater model rh20064 19 98 19 98. Smith state and polaris products 9006101205 and 9004504205 model db1205 109 99 109 99. I feel like i was overcharged.

Afterward i looked online and found that the part is very inexpensive. He was here 45 60 min. All gas appliances with standing pilots such as furnaces and water heaters have a thermocouple. Bradford white 40 gal.

If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. If the thermocouple is working you should be able to measure 30 to 40 millivolts of voltage at the connection end of the tube when the pilot flame is on. Remove the burner assembly and detach the thermocouple. Free delivery with 45 order.

I asked if i needed to replace the water heater but repairman said no. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. I had a repairman out who replaced the thermocoupler valve and union ground.

In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. It s a cylindrical probe about 4 inches long and a quarter to a half inch in diameter that s attached to a 1 to 2 foot length of copper tubing. 1 cause of pilot lights that won t stay lit is a worn out. The probe is positioned next to the pilot opening so that its tip is in the flame when the pilot is on.

A thermocouple or flame sensor is a device used to control gas flow in gas water heaters on older style heaters with standing pilot lights the device is typically called a thermocouple while on newer units with electronic ignition the same or virtually the same device is called a flame sensor for our purposes we ll refer to both devices as the thermocouple.