Potterton Fire Thermocouples
A thermocouple is an instrument that is made of two different metals that produce a small electrical 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.
POTTERTON Q309A2788 THERMOCOUPLE
Part No: 1126174 / MPN: Q309A2788
POTTERTON 402918 THERMOCOUPLE
Part No: 1122432 / MPN: 402918
POTTERTON 402905 THERMOCOUPLE 750MM LONG
Part No: 1122425 / MPN: 402905