A thermocouple is a device that is made of two different metals that produce a charge when heated on one side. This small charge activates an electromagnet which opens a valve and allows the gas or water to flow through .
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Technical specification
Waist Sizeaa95ch13gwERP RatingNot ApplicableSupplier Part Number745322AManufacturer Model No225496Brand NameBaxi
Reviews
Baxi 225496 Equivalent Thermocouple Solo MK1 Rs. 745322A