Watts Water Technologies 1 LFN45BM1-U 1", Standard Capacity, Lead Free, Water Pressure Reducing Valve For Residential, Commercial, & Industrial Applications Temperature Range Form 33 Degrees To 160 Degrees Fahrenheit Adjustable Reduced Pressure Range From 25 PSI To 75 PSI With 50 PSI Factory Setting Union Inlet & Outlet Connections Bypass Feature Controls Thermal Expansion Pressure