How do you clean a thermocouple?

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Before you do anything, shut off the system your thermocouple is a part of. The easiest way to clean your thermocouple is with steel wool or a coarse sponge until all the soot or other matter is gone. If there's space, use a pencil eraser to get in between the threads of any screws connecting the thermocouple and valve control. Even though it might be tempting, avoid using regular cleaning products (especially if they contain flammable chemicals) on your thermocouple, as they can be damaging.

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