The Electric Diesel Fuel Heater Kit for FASS System Titanium Series is a high-quality fuel heater designed to aid in cold weather starts and prevent fuel gelling. This optional kit is compatible with most makes and models and is made in the USA. The heater automatically turns on and off, dispensing heat through the FASS pump and filters. With its complete kit, this fuel heater provides practicality and reliability, ensuring smooth operation in cold weather conditions.