The Maxitrol 325-3-3/8 Gas Pressure Regulator is a precision control device with 3/8" inlet/outlet ports, designed to maintain safe and consistent gas delivery. It supports a maximum inlet pressure of 10 psi, while regulating downstream pressure between 4–12″ WC (water column). Built with Maxitrol’s lever-acting design, it offers reliable “dead-end lockup” and precise gas flow control... https://www.partshnc.com/325-3-38-maxitrol-38-reg-10maxin-4-12-wcout