Thermocouple For Gas Water Heater

A thermocouple or flame sensor is a device used to control gas flow in gas water heaters.

Thermocouple for gas water heater.

Some gas fired heating equipment relies on an electronic ignition to ignite the flame. The thermoelectric effect that makes a thermocouple work is called the seebeck effect named after the german physicist who discovered it in 1821. A thermocouple can be found in diesel engines gas turbines kilns gas water heater temperature sensor in thermostats etc. Set your store to see local.

Diy hot water heater repair. The other end of the thermocouple s tubing connects to a port on the gas regulator or gas valve but not all of these systems use a thermocouple. The seebeck effect works with any two dissimilar metals but the ones most often used in gas water heater thermocouples are stainless steel and copel which is an alloy of nickel and copper. The burner typically sits loosely or under clips in the burning chamber and just slides out.

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. This was the only thing that as gone out on it since it was brand new 40 years ago. The thermocouple on gas fired heating appliances is mounted to sense the presence of a gas flame or gas pilot flame. Set your store.

My heater was made in the 70 s and has worked well since. Free delivery with 45 order. 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. It senses when the pilot light is on.

The gas water heater thermocouple is a safety device. Rheem protech pilot thermopile assembly kit for natural gas water heaters model sp20824 48 99 48 99. This item works great and was priced good as well. A gas water heater in boise baton rouge buffalo or boston uses a thermocouple that includes a probe attached to a copper tube that screws into a port on the gas valve.

When the pilot is not lit the gas valve will not turn the gas on. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. This thermocouple worked great for my torpedo propane heater. Rheem gasket replacement kit with thermocouple for fvir water heater model rh20064 19 98 19 98.

First shut off the gas valve on the water heater and the gas valve on the gas line near the heater. I had purchased other thermocouples that were either the wrong fitting or were too short. Corrosion and buildup are some of the things that can affect a thermocouple. Make sure the problem is not your water heater pilot light before you attempt this repair.