Push Connect PC953S 1/2-Inch Push by 3/8-Inch OD. Comp, Brass Push Fit Quarter Turn Straight Supply Stop Push Connect 1/2-Inch Push by 3/8-Inch OD. comp, brass push fit quarter turn straight supply stop are full flow, removable, repairable and reusable Push Connect fittings enable you to connect to copper, PEX and CPVC in seconds. Pressure tested to 200 psi and has 1,000- 2,000 lb. pull strength Application temperatures for usage can range from 0 to 200 F degrees Common applications: Potable water, heating, compressed air (oil-free), chilled beam, glycol blends, inert gas, fan coils, solar and geo thermal systems, waste water, plant water and more Product Approvals and Certifications: UPC, cUPC, IPC, ASSE 1061, ANSI/NSF 61