Febco LF850 QT FZ 3 4 Part of the LF850 Small Series Pipe Connection Fitting This 3 4 inch lead free This 3 4 inch lead free reduced pressure zone backflow preventer assembly with its exclusive design incorporating the patented air inch and water out principle for protection during an emergency condition prevents the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 2 1 2 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 88003130 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 774DCDA Strainer No Technologies Fire Tamper Switch Tradename None UPC 098268297256 building management systems (BMS) This assembly consists of a lead free cast copper silicon alloy body construction