BrassCraft's G2 Series stops offer durable construction and proven performance. With a few turns of the valve handle, you are able to stop the flow of water leading to the plumbing fixture, allowing for maintenance and repair without turning off water to the entire home. BrassCraft G2 series valves are 100% leak tested to ensure reliable, leak-free operation. Crimp PEX end designed to ASTM F1807. Features: Machined 1-piece brass construction 100% leak tested to ensure reliable, leak-free performance Temperature rating: 40F to 140F Pressure rating: 125 psi maximum IAPMO and CSA listed to ASME A112.18.1/CSA B125.1 Designed, machined and assembled 1/2 nominal crimp barb x 3/8 in. O.D. compression straight Compatible with PEX 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 smoother operation without freeze ups even after long periods of non-use 100% leak tested Positive 1/4 turn shut off