The ApolloPEX 1/2 in. Brass PEX Barb Ball Valve with drain and mounting pad is simple to install and provides flow control through an anti-stick and smooth operating quarter turn lever handle. The quarter turn, single lever control allows for simple control of water flow in hydronic and potable water systems and the side vent allows for the expulsion of air or water for testing, repair or weatherization situations. Also capable of being integrated into hydronic heating systems, ApolloPEX valves can be secured into place using copper crimps, stainless steel pinch clamps or stainless steel crimp sleeves (all sold separately). The ApolloPEX system is a comprehensive piping system comprised of brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing designed for implementation in water delivery systems, simple or complex. Features: Constructed of lead free dezincification resistant (DZR) brass for superior reliability and strength Can secured in place using copper crimps, stainless steel pinch clamps or stainless steel crimp sleeves Barb x barb connection for PEX plumbing systems Most economical piping system available Ideal for potable water and hydronic heating applications Quarter turn lever handle for simple flow control Meets UPC, IPC, and cUPC standard requirements and listed by IAPMO and listed to ASSE 1061/NSF 61 Corrosion resistant for greater longevity NSF listed Maximum working pressure of 200 psi and maximum temperature of 200 degree F