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Gas

Thermocouple

Single sensor that holds the pilot valve open.

All glossary terms

What is Thermocouple?

A single-junction temperature sensor that puts out roughly 25 mV once heated, holding the pilot's safety valve open. It is the failure point we replace most often on gas fireplaces, and at around $30 it is a routine maintenance swap rather than a major repair.

Related terms:ThermopilePilot Light

Need a thermocouple inspection or repair?

We work on thermocouple every week across DFW. CSIA-certified, written quotes, financing available.

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