Brand: Painless Performance Manufacturer's Part Number: 30104 Part Type: Fan Switches Product Line: Painless Performance Adjustable Electric Fan Thermostat Kits Summit Racing Part Number: PRF-30104 UPC: 749823301047 Thermal Switch Style: Fan control kit Sending Unit Style: Radiator probe Sending Unit Included: Yes Fan Quantity: Single Relay Included: Yes Wiring Harness Included: Yes Manual Override Switch Included: No Air Conditioning Relay Included: No Quantity: Sold as a kit. Notes: Sending unit will keep fan running until it reaches 1 degree below set temperature. Painless Performance Adjustable Electric Fan Thermostat Kits Painless Performance adjustable electric fan thermostat kits allow you to control the temperature that activates your engine's cooling fan. A bulb at the end of the capillary tube is designed to attach to the top or hottest portion of the radiator. The adjustment knob may be used to set the desired temperature for your electric fan to begin operating; the thermostat has a temperature range of -32 to 248 degrees F. These universal kits are available in various styles and with different components. Order the model that best suits your needs.