Watts LFFBVS 4 2 Part of the LFFBV 4 Series Woven Fabric This 3 4 IN universal rubber This 3 4 IN universal rubber repair kit for pressure vacuum breakers prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and the unit is available with a standard no hub outlet for straightforward installation bottom loaded blowout proof stem 00 Minimum Temperature Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 2 IN Outlet Connection Type Socket Outlet Thread Type Does Not Apply To Product Part Number 0555133 Port Type Full Seat Material Virgin PTFE Series LFFBV 4 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 600 PSI Specification Sheet LFFBV 4