When winterizing, use less antifreeze and save money with this easy-to-install kit.For seasonal installation, use this kit to isolate your water heater from the rest of your freshwater system. After installation, you can drain your water heater for the winter and forego the expense of filling it with antifreeze. Kit includes two 1/2" x 14 NPT nipples and crimp-resistant, nylon reinforced hose with gasketed NPT female connectors.Key FeaturesIsolates water heater from freshwater systemEliminates expense of filling water heater with antifreezeKit includes two 1/2" x 14 NPT nipples and crimp-resistant, nylon reinforced hose with gasketed NPT female connectors