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A thermocouple is a part that is made of two different metals that produce a slight charge when heated on one side. This small electrical charge switches on an electromagnet which opens a valve and no longer restricts the flow of water or gas.
Part No: 1373998 / MPN: 171125
Sorry, this part is now obsolete
Part No: 1374006 / MPN: 171181
Part No: 1376474 / MPN: 171175
Part No: 1376414 / MPN: 170030
Part No: 1376464 / MPN: 171164
Part No: 1373997 / MPN: 171016
Part No: 1373999 / MPN: 171140
Part No: 1374001 / MPN: 171165
Part No: 1374002 / MPN: 171169