Backflow Preventer Replacement Parts Reduce High Inlet Pressure To Lower Outlet Pressure.
Backflow Preventer Replacement Parts are made of cast bronze to provide long lasting durability. Unitized replaceable cartridge reduces time involved with cleaning and maintenance. Available styles include Repair Kit for Models 1"/420 and 1/2, 3/4" 420, Freeze Relief Valve and Repair Kit for Pressure Vacuum Valve - 1/2", 3/4" or 1". ANSE, IAPMO, NSF listed; CSA certified.