A thermocouple is a device that is made of two different metals that produce a small electrical charge when heated on one side. This small charge activates an electromagnet which opens a valve and allows the water or gas to flow through .
Designed to fit most boilers
Long type thermocouple
Technical specification
Manufacturer Model No7003/1200Brand NameOrkli
Reviews
Orkli Super Universal 1200mm Thermocouple 7003/1200PC