The FTG HOT STK Standpipe Fuel Heater delivers warm fuel directly from the tank to assure cold weather operation for vehicles and off-highway equipment in extreme conditions. Uses coolant heat which is transfered through the fuel tank stand-pipe to aide in fuel flow from cold fuel tanks. Easy to install, requires no manitenance. Available in various lenghts to fit most tanks. Optional automatic coolant valve (ACV) for thermostatic control of hot coolant to the tank heater. Helps keep the winter blues away.