Gas Fireplace Thermocouple Vs Thermopile

In heating systems a thermocouple is one junction of metals that when heated by a pilot flame generates approximately 25 mv and holds open an electromagnetic valve to allow gas to pass as long as there is a pilot.

Gas fireplace thermocouple vs thermopile.

A second valve in the valve train. The thermocouple on a gas fireplace may eventually become clogged with dirt and soot which can reduce the effectiveness of the thermocouple and may eventually prevent the fireplace from lighting as expected. Thermopile a thermopile is an electronic device that converts thermal energy into electrical energy. Thermocouple fireplace by will gish.

Thermocouples are also used in homes offices and businesses as the temperature sensors in thermostats and also as flame sensors in safety devices for gas powered appliances. The thermocouple on your gas fireplace is a heat sensitive device that keeps the pilot gas tube open while the pilot is lit. Thermocouples on heating appliances. We describe how to find the thermocouple if one is used on your heater and how the thermocouple is replaced.

As the heat reaches the second junction of the thermocouple it generates electrical voltage. 750 temperature resistance millivolt replacement thermopile generators used on gas fireplace water heater gas fryer cluster thermocouple for 24 fireplace 4 2 out of 5 stars 53 8 29 8. This entry was posted in diy and tagged diy gas fireplace gas valve pilot light thermocouple thermopile won t light on october 21 2012 by steve jenkins updated 2117 days ago disclaimer as with all my diy posts anything you decide to do as a result of reading this post you do so at your own risk. Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool.

Gas fireplaces and fireplace inserts use thermocouples and thermopiles primarily to generate electricity. It does this by generating a small electric current on the order of.