The present invention relates to a thermostat used for regulating the temperature of a hot-wire cable. The thermostat includes a thermostat having an upper portion opened at its upper portion, a closed upper portion formed at its rear portion, and a lower portion formed at its lower portion, The thermostat housing includes a housing, a bimetal part disposed in the upper groove, and an epoxy part filled in the upper groove to enclose the bimetal part. The lower groove of the thermostat housing is positioned in contact with the heating cable. And detecting the temperature of the hot-wire cable passing through the lower groove, and switching the thermostat.
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