Vaillant Thermocouples
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.
VAILLANT 171125 THERMO-COUPLE
Part No: 1373998 / MPN: 171125
VAILLANT 171181 THERMO-COUPLE
Part No: 1374006 / MPN: 171181
VAILLANT 171140 THERMO-COUPLE
Part No: 1373999 / MPN: 171140
VAILLANT 171165 THERMO-COUPLE
Part No: 1374001 / MPN: 171165
VAILLANT 171169 THERMO-COUPLE
Part No: 1374002 / MPN: 171169
VAILLANT 171175 THERMO-COUPLE
Part No: 1376474 / MPN: 171175
VAILLANT 170030 THERMO-COUPLE
Part No: 1376414 / MPN: 170030
VAILLANT 171164 THERMO-COUPLE
Part No: 1376464 / MPN: 171164
VAILLANT 171016 THERMO-COUPLE
Part No: 1373997 / MPN: 171016