Watts LF25AUB DU CEF 1 Part of the LF25AUB Z3 Series SITEDRAIN 00 Minimum Temperature Fahrenheit 40 Operating 00 Minimum Temperature Fahrenheit 40 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 0450114 Port Type Full Seat Material Virgin PTFE Series LFB6080G2 Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Blowout Proof Thrust Washer Material Virgin PTFE Type Kit Valve Style 2 piece WOG Rating 600 PSI Specification Sheet LFB6080G2 This 3 inch adapter is used to convert the MNPT end of a Watts Transition Riser (TR2) to an ASME B double union PEX Cold Expansion Fitting [CEF] inlet and outlet and a bypass feature to control thermal expansion pressure 5 to 82 degrees C)