Derale Performance Single Stage Fan Controller # DER-16730Electric Fan Control, On 180 Degrees, Off 165 Degrees, Kit Thermal Switch Style:Sending unit onlySending Unit Style:Thread-inSending Unit Included:YesSending Unit Thread Size:1/8-27 NPTFan Quantity:Single/DualFan On Temperature (degrees F):180 degrees FFan Off Temperature (degrees F):165 degrees FRelay Included:NoWiring Harness Included:NoManual Override Switch Included:NoAir Conditioning Relay Included:NoQuantity:Sold as a kit.Notes:Includes 3/8 NPT adapter. Derale Single-Stage Fan ControllersDerale single-stage fan controllers can be installed in the radiator or a threaded location. They activate fans at a specific temperature and turn them off at a preset temperature. The controllers are available for single or dual fans, and specific types will work on vehicles equipped with air conditioning. For top-quality underhood cooling accessories, trust the expertise of Derale Performance.