Ama-thermostats we-Bimetal engenamanzi adlala indima ebalulekile ezinhlelweni zesimanje zokulawula izinga lokushisa, ikakhulukazi embonini yokwakha nokuhlobisa. Lawa madivayisi aklanyelwe ukulawula izinga lokushisa ngempumelelo ngenkathi kunikeza ukuvikelwa kumswakama nezici zemvelo. Ukwakhiwa kwabo okuyingqayizivele kwe-bimetallic kubavumela ukuthi baphendule ekushintsheni kokushisa ngokunemba okuphawulekayo, benze i-