Features: * Mechanical, non-programmable thermostat provides 120 - 240 Vac control for baseboard electric heat systems * Provides reliable line voltage control of resistive rated electric heating equipment * Snap-action switch activates heat for positive temperature control * Universal application * Replaces virtually any four-wire line voltage wall-mounted electric heating thermostat * Rugged, plastic mounting base and one-piece vented cover What"s In The Box: * Honeywell CT410B Manual 4-Wire Electric Heater Thermostat