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 water or gas to flow through .
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Technical specification
Waist Sizeaa79cg94gzERP RatingNot ApplicableSupplier Part Number10044462Manufacturer Model No7000/EL/1800Brand NameBlack Teknigas