This newly redesigned adjustable electric fan thermostat kit is designed to activate up to 2 fans with a total maximum draw of 25 amps. Includes a water jacket 3/8 inch NPT thread-in probe, relay wire harness and electrical connectors for an easy installation. A/C override circuit included. Adjustable fan controller turn-on range from 150 degree farenheit - 240 degree farenheit, and turn-off preset at 10 degree farenheit lower than turn-on.