Application This thermostat can be used to control an electric heating system such as electric baseboard heaters, electric radiant ceiling heaters, electric convectors and electric fan-forced heaters. Mounting Vertical Color White Power Method Hardwired Electrical Connections 6.0" (150 mm) tinned copper lead wires Switch Positions (System) C/F Switch Type & Switching Action Triac - SPST (single pole-single throw) - Perfect for Silent Switching Cycle Time 15 seconds for non-fan-forced heaters / 5 minutes for fan-forced heaters Accuracy 0.27°-0.9° F / 0.15°-0.5° C (15 sec / 5 min cycles) Dimensions 5.0" X 5.0" X 1.42" / 127 mm x 127 mm x 36 mm Temperature Setting Range 40°-85° F / 5°-30° C Electrical Ratings (min) Minimum Load: 0.83 Amps (resistive only) 200 watts @ 240/60 VAC, 100 watts @ 120/60 VAC Electrical Ratings (max) Maximum Load: 10.4 Amps (resistive only). 2500 watts @ 240/60 VAC, 1250 watts @ 120/60 VAC Sensor Element Thermistor Ambient Temperature Range 32° F to 122° F / 0° C to 50° C Comments Backlit, On-screen heating power indicator.  Minimum & Maximum temperature locks.  Battery-free.  Not to be used on central heating systems or systems that have an inductive load, such as boilers or forced-air furnaces.