Camco Quick-Turn Permanent Water Heater By-Pass Kit Simple, permanent installation of the Camco Permanent Water Heater By-Pass Kit allows you to easily drain your water heater for winterizing. Save on antifreeze when you winterize by using this easily-installed water heater by-pass kit. Sturdy, brass backflow preventer and 100 shut off valve lets you by-pass the water heater with a single turn. Features a crimp-resistant nylon reinforced hose. California Residents WARNING Cancer and Reproductive