Temperature Controller Thickness 2.5 in Color Tan Operating Voltage 120V AC 208/240V AC Product Type Temperature Controller Material Steel Overall Length 6 in Cable Length 6 in Temperature Control Range -30 Degrees F to 220 Degrees F Standards Class IV813 02 CSA Certified File LR68340 Guide XAPX NEC 547 UL Listed File E94419 Application Bulk Milk Coolers Cooling Towers Refrigerated Storage Trace Heating Unit Heaters Ventilation Fan Cycling