Item: Thermostat, Temp. Range: 40 Degrees to 100 Degrees F, Voltage Range: 208 to 600, Phase: 1 or 3, Floor Coverage Dia.: 38 ft., Mounting Type: Unit Mounted, Amps AC: 25, Fits KW: 3 to 50, Width: 4", Depth: 3", Height: 8", Switch Type: SPST, For Use With: 49ZZ89, 49ZZ90, 49ZZ91, 49ZZ92, 49ZZ93, 49ZZ94, 49ZZ95, 49ZZ96, 49ZZ97, 49ZZ98, 49ZZ99, 52AT70, 52AT71, 52AT72, 52AT73, 52AT74, 52AT75, 52AT76, 52AT77, 52AT78, 52AT79, 52AT80, 52AT81, Includes: Wire Leads for Quick Connection, Remote Capillary Temperature Sensor