Brand: Painless Performance Manufacturer's Part Number: 30111 Part Type: Fan Switches Product Line: Painless Performance Temperature Sending Units Summit Racing Part Number: PRF-30111 UPC: 749823301115 Thermal Switch Style: Sending unit only Sending Unit Style: Thread-in Sending Unit Included: Yes Sending Unit Thread Size: 3/8 in. NPT Fan Quantity: Single Fan On Temperature (degrees F): 185 degrees F Fan Off Temperature (degrees F): 170 degrees F Relay Included: No Wiring Harness Included: No Manual Override Switch Included: No Air Conditioning Relay Included: No Quantity: Sold individually. Notes: This is a two-spade terminal sending unit. Includes 1/2 in. NPT male thread to 3/8 in. NPT female thread adapter. Painless Performance Temperature Sending Units Painless Performance temperature sending units are designed to allow your electric fan to turn on and off at a desired temperature. These switches are recommended for all electric fan installations and are available in several different temperature ranges. These Painless Performance temperature sending units are sure to keep your engine cool and running at the temperature range of your choice.