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Gas

Thermopile

The voltage-generating sensor that powers a gas valve.

All glossary terms

What is Thermopile?

A bundle of thermocouples that generates millivolts of electricity when heated by the pilot flame. Drives the main valve in standing-pilot gas fireplaces. Test reading: 650–850 mV good, below 300 mV failing.

Related terms:ThermocouplePilot Light

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