what is
 






 

Question by  nickyann (363)

What is a thermal coupler?

 
+6

Answer by  mammakat (11147)

The thermal coupler keeps the gas flowing in your water heater, furnace etc. The pilot heats it, it produces an electrical charge. If that is interrupted, your gas flow stops.

 
+1

Answer by  ting (1)

The thermo coupler is a small stem next to the pilot light with a copper wire coming from it. It extends to the fuel supply box where the dial is.

 
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