This 180°F-on/165°F-off electric fan controller kit is designed to activate up to 2 fans with a maximum draw of 25 amps. Includes a water jacket 3/8" NPT thread-in probe, relay wire harness and electrical connectors for an easy installation. A/C override circuit included.Derale Premium Single Stage 180°F Fan Controller with Thread In Probe, 25 Amp 16739Specifications: Description_SHO Fan Controller Description_INV Fan Controller Description_ASC 180°F preset turn-on temperature Description_ASC Turn-off temperature is preset at 165°F Description_ASC 3/8" NPT thread-in probe Description_ASC Rated at maximum 25 amp continuous draw Description_ASC Includes heavy duty 40/60 amp relay harness Description_ASC AC override circuit included Description_KEY electric fan relays Description_KEY electric fan controllers Description_KEY electric fan switches Description_KEY electric fan thermostats Description_KEY fan thermostats Description_KEY electric fan thermostat relays Description_KEY fan relay kits Description_KEY electric fan relay kits Description_KEY single stage fan controllers Description_DES Premium Single Stage 180°F Fan Controller with Thread In Probe, 25 Amp Description_EXT Premium Single Stage 180°F Fan Controller with Thread In Probe, 25 Amp Description_MKT This 180°F-on/165°F-off electric fan controller kit is designed to activate up to 2 fans with a maximum draw of 25 amps. Includes a water jacket 3/8" NPT thread-in probe, relay wire harness and electrical connectors for an easy installation. A/C override circuit included. Description_FAB Premium Single Stage 180°F Fan Controller with Thread In Probe, 25 Amp Description_DEF Engine Cooling Fan Controller