The SHARKBITE Tankless Water Heater Valve is a push-to-connect valve designed for 3/4 inch piping. It is compatible with PEX piping and is suitable for use with boilers. The valve is made of brass and copper materials with a polished chrome finish, giving it a sleek appearance. This electric valve is a unit sold individually and is ideal for efficiently managing water heater systems in residential or commercial settings.