Watts DBF 03 121 2G M2 8 Part of the DBF 03 Series ADS 00 Minimum Temperature Fahrenheit 0 Operating 00 Minimum Temperature Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type Does Not Apply To Product Part Number 88009020 Port Type Full Seat Material Virgin PTFE Series LFFBV 3 PRxFIP Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Virgin PTFE Valve Style 2 piece WOG Rating 250 PSI Specification Sheet LFFBV 3 PRxFIP This 1 1 4 inch reduced pressure zone assembly backflow preventer helps prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements Features Gear operator It features cast iron body construction