OUR NEW AUTO COOL HF-150
MORE POWER AT 7,000 Hz.  IT HAS SOFT START, COOL DOWN TIMER, FAIL SAFE FOR FULL FAN RPM.  LIKE ALL OUR CONTROLLERS, THE FAN RPM CONTROLS THE OUTFLOW TEMPERATURE OF YOUR RADIATOR,  THIS WILL GIVE YOU ROCK SOLID ENGINE TEMPERATURE.  USE THE LASER TEMPERATURE GUN AND SET THE OUTFLOW AT 15 TO 20 DEGREES BELOW THERMOSTAT TEMPERATURE.  THIS WILL GIVE YOU WORRY FREE ENGINE TEMPERATURE CONTROL.  
BASE SIZE 5 X 7 INCHES