A thermocouple is a device that is made of two different metals that produce a charge when heated on one side. This small charge turns on an electromagnet which opens a valve and no longer restricts the flow of water or gas .
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Technical specification
Waist Sizeab37cd38gsToilet Cistern CapacityFTW--ERP RatingNot ApplicableSupplier Part Number703084Manufacturer Model No479890Brand NameBlack Teknigas
Reviews
Black Teknigas Thermocouple Honey Q309A 1200mm EQUIV703084.