Watts LF25AUB-Z3 Pressure Reducing Valve, 1-1/4" - Lead Free (Threaded F Union Inlet x NPT Threaded F Outlet) Standard construction includes Z3 sealed spring cage and stainless steel corrosion resistant adjusting & cage screws for accessible outdoor or pit installations 1-1/4" Union inlet connection Integral stainless steel strainer Replaceable seat module Lead Free* cast copper silicon alloy construction