Thexton 815 Heater Core Back Flush Tool with Air Assist

The Thexton Heater Core Back Flush Tool with Air Assist, No. 815, fits 1/2", 5/8", and 3/4" heater hoses. It uses standard hose for water and 1/8 NPT for shop air fitting. Using a basic water hose hook-up, it cleans cooling system and heater cores without disassembly. There is no need to use acids or caustic solutions. Radiator pressure cap prevents over boosting. The water pressure can be easily controlled with ergonomic handle.