Troubleshoot your thermocouple

—P.L.

THERMOCOUPLES PLAY A vital role in the safe operation of older gas appliances, such as water heaters, ovens, fireplaces, and fridges. These small yet indispensable devices ensure that the pilot light remains lit, which, in turn, allows the appliance to function correctly. In a gas appliance, the pilot light heats one end of the thermocouple while the other end remains cooler. This temperature difference creates a small electric current that keeps the gas valve open, allowing the flow of gas to the pilot light. If the pilot goes out for any reason, the thermocouple cools and shuts off the gas supply, preventing any potential hazards. Even though thermocouples are pretty tough and have no moving parts, they can sometimes become faulty due to debris accumulation, misalignment, or oxidation on the metal surface.…

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Cottage Life (Digital) - 1 Issue, September/October 2023

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