Derale 16749 Adjustable 150-240 Degree Electric Fan Controller With 3/8" NPT Pipe Thread Sensor

Note: This kit includes a Beuler brand relay similar to Hella's 4RA 933.332-18 5 blade relays. Also notice that the fan's NEGATIVE wire is going to the red wire on the control box.

Derale's redesigned adjustable electric fan control kit is designed to activate up to 2 oil cooler or radiator fans with a total maximum draw of 25 amps. Includes a control box, sending unit, relay, wire harness, and electrical connectors for an easy installation. Override circuit included for either A/C or for a toggle switch (sold separately). Adjustable fan controller turn-on range from 150°F - 240°F, and turn-off preset at 10°F lower than turn-on.