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Gas

Thermocouple

Single sensor that holds the pilot valve open.

All glossary terms

What is Thermocouple?

Generating ~25 mV when heated, this single-junction temperature sensor holds the pilot's safety valve open. No part fails more often in a gas fireplace, and at $30 it is best treated as routine maintenance rather than a 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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NFPA 211
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