SharkBite 23358-0045 1-Inch EB-45 Double Union SharkBite 45 PSI Set Pressure Connect the SharkBite pressure reducing and regulating valve to copper tubing, and CTS CPVC and PEX in seconds with ease These valves are supplied by the factory with a standard delivery setting of 45 psi. Adjustable 10-70psi Certified by ASSE Standard 1003, Listed by IAPMO and ASSE By-pass mechanism integral with the cartridge Every valve is tested for performance prior to shipping