BrassCraft 1/2 in. Nom Cold Expansion PEX Barb Inlet x 3/8 in. OD Compression Outlet 1/4-Turn Angle Valve controls water flow to household plumbing fixtures - faucets, toilets, dishwashers, icemakers, washing machines, etc. The angle valve is most often used where the water pipe enters the room from the wall. With a 90 turn of the valve handle, you are able to stop the flow of water leading to the plumbing fixture, allowing for maintenance and repair without shutting off the water to the entire home. Features: Machined one-piece brass body provides strength, durability and long-lasting performance 1/2 in. nom cold expansion inlet x 3/8 in. O.D. comp outlet 1/4-turn angle stop Compatible with PEX piping For use in potable water distribution systems, not intended for recirculating water systems that produce continuous use temperatures above 115F for those applications, use our KT series ball stops 1-piece shut-off mechanism provides smooth on-off operation without freeze-ups even after long periods of non-use Positive 1/4 turn shut-off Easy-to-remove handle protects against accidental operation during rough-ins Chrome 100% leak tested to ensure reliable, leak-free performance Temperature rating: 40 to 160F 125 psi maximum IAPMO ASME A112.18.1/CSA B125.1 Designed, machined and assembled in the USA