The SharkBite Tankless Water Heater Service Valves Kit connects tankless water heaters to your water supply and allows for easy control and hassle-free maintenance. Included in the package are Hot and Cold Valves and a Pressure relief valve. The Valves connect to the Tankless water Heater with a 3/4 in. IPS Female Connection and then connect to water distribution system with SharkBite Push-to-Connect connections compatible with copper, PEX, and CPVC. The, slim-fit valve design is a perfect fit f