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 electrical charge switches on an electromagnet which opens a valve and stops restricting the flow of gas or water
Made by Honeywell for Baxi Appliances
Technical specification
Waist Sizeaa47ce13gzERP RatingNot ApplicableSupplier Part Number102005Brand NameBaxi