Simple, permanent installation of this kit allows you to easily drain your water heater for winterizing. Brass valves provide non-restrictive flow. Comes with crimp-resistant nylon reinforced hose. With 8" hose for 6 gallon tank. ,Permanent installation for by-passing water heater when winterizing your recreational vehicle. Easy to install. Chrome plated brass valves for non-restrictive flow. Reinforced flexible vinyl tubing.