J&d's rugged vc012 thermostat is perfect for applications that require a simple control. It may be wired for heating or cooling to control your exhaust fan circulation fan power shutter heater or heat lamp. Made in the usa. Features ul style 'margin-top 0px; padding-top 5px; padding-bottom 5px;' ul listed file# e357053 differential 2.4°f (1.3°c) enclosure rugged ul50 type 2 size 4-1/2"" x 6-3/4"" x 2-1/2"" coiled stainless steel sensor provides rapid response to temperature change use for heating or cooling