Worcester Thermocouples
A thermocouple is a device that is made of two different metals that produce a slight charge when heated on one side. This small charge turns on an electromagnet which opens a valve and no longer restricts the flow of water or gas.
WORCESTER 87072020390 THERMOCOUPLE
Part No: 1012121 / MPN: 87072020390
WORCESTER 87072020180 THERMOCOUPLE
Part No: 1012119 / MPN: 87072020180
WORCESTER 87161423240 THERMOCOUPLE Q309A2747
Part No: 1018067 / MPN: 87161423240