Shurflo In-Line City Water EntryShurflo water pressure limiting valve 50psi, USA f NPT 3 4. Features Reduces mains pressure to 50psi NPT male end screws directly onto the SHURFLO city water entry regulator Combined city water entry, pressure regulator and check valve attached directly to the hose Outlet side: 1 2 Inch BSP male fitting Inlet side: 1 2 Inch BSP female fitting (after using the included USA adapter) Outlet Pressure 50psi Inlet Pressure 125psi (max)