A thermocouple is a mechanism that is made of two different metals that produce a small electrical charge when heated on one side. This small charge turns on an electromagnet which opens a valve and stops restricting the flow of gas or water .
Designed to fit the Potterton/Myson Apollo range
Technical specification
Waist Sizeaa98cj13gtERP RatingNot ApplicableSupplier Part Number7/S38Brand NameOrkli