Material is made of clean brass for low lead codes and meets ANSI/NSF standards and UPC codes Hot and cold valves are color coded for easy identification Size: 3/4 in. Pex B FIP connection Comes with pressure relief valve and ptfe tape Made of Heavy Duty Brass Large Drain Port outlets Double "O" Ring stem seal Pressure Rating: 125 PSI MAXIMUM Temperature range: 40 to 180 Has Individually controlled drain outlets The CMI Inc PEX B Tankless Water Heater Service Valves Kit lets you easily connect your Tankless Water Heater to your water supply for easy maintenance and control. With your purchase, you will receive (1) Hot Valve,(1) Cold Valve, (1) Pressure Relief Valve, and a free PTFE Tape. The valves connect to the Tankless Water Heater with a 3/4 IPS Female connection. The small design makes it easily accessible and can fit in tight spaces.