Camco 35953 8" Supreme Permanent By-Pass Kit for 6 Gallon Tank - Lead Free Easily drains the water heater for winterizing Saves money on antifreeze by bypassing the water heater Sturdy brass valves with 1/2" NPT connections provide non-restrictive flow Kink resistant 8" hose for 6 gallon RV water heater tank Handle has visual indicator of valve operation