Industrial E507S 15331 P: C77041 Kit Thermostat

Chemelex Raychem E507S 15331 P/N C77041 Kit Thermostat is a 22-amp, line-sensing thermostat designed to regulate heat-tracing cables in industrial installations, compatible with 125, 250 and 480 VAC supplies. It belongs to the E507S-LS family, a line-sensing thermostat intended for hazardous locations, delivering on/off control as the line being heated reaches the setpoint. Marketed as a kit (P/N C77041), this assembly is commonly sold as NOS surplus with packaging that may show wear. Typical applications include maintaining process temperatures for piping and tanks in chemical, petrochemical, and other process industries where heat tracing is used to prevent freezing or maintain viscosity, with Raychem/Chemelex systems commonly paired with heating cables to provide reliable temperature regulation in challenging environments.