This SmartStat'¢ dual voltage programmable thermostat can be used with 120 volt and 240 volt floor heating systems. Includes an in-floor sensor and a digital display that indicates the exact floor temperature. It also features a manual set-back to a "high" and a "low" temperature level, and it features a built-in electric GFCI. The programmable function allows you up to 4 setting changes for each day of the week. For installations utilizing more than 240 square feet of electric radiant floor heating product, a Master Thermostat with Power Module or a Relay Contactor is also required.
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