Honeywell offers a variety of mechanical, non-programmable thermostats that provide 240 Vac control for electric heat systems. These thermostats offer comfort, simplicity and accuracy at affordable prices. This easy to use, electric heat thermostat 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. High-quality design. Rugged, plastic mounting base and one-piece, vented cover.