SmartPool WWSK21 SunHeater Systems Kit Install and operate your Sun heater solar pool heater with the Smart Pool Sun heater Systems Kit Setup kit can be used with up to four boxes of Sun heater in-ground pool solar heaters Pool accessory kit contains everything you need to complete the installation Includes all necessary valves and mounting hardware Includes DIVERTER valve, hose, 2 pipe adapters, end cap, vacuum relief cap, SS brackets, 2-inch #14 SS screws, 100-foot strap, check valve, 3 SS hose clamps,