Tag Archives: Thermo Coupling

What Is A Thermo Coupling?


A Thermo Coupling is a device that has two metals joined together that generate a low voltage when they are heated. In a gas water heater the Thermo Coupling is a critical safety device that detects a flame present at the pilot light of the burner and holds the gas valve open allowing the pilot light to stay lit and the burner of the gas […]

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