The Watts RD-300-R is a medium-area overflow roof drain designed to provide secondary (emergency) drainage when primary roof drains are overwhelmed or blocked
20 Gasket Maximum Temperature 180 Degree F Inlet Connection Size 1 1/2 IN Inlet Connection Size-Metric 38 MM Inlet Connection Type Female Threaded Inlet Material Steel Inlet Thread Type IPS Insulator Material Polysulfone Lead Free YES Maximum Working Pressure-PSI 250 Maximum Working Temperature-Fahrenheit 180 Nut Material Malleable Iron Outlet Connection Size 1 1/2 IN Outlet Connection Type Socket Outlet Material Lead Free Brass Part Number 0821464 Series LF4001E Specification Sheet - LF4001E
Specifications Kit Type Repair Kit Lead Free NO Product Group P & H KITS UPC - 098268112788
50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 6 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 0389180 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Bronze Series 709DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 709DCDA
Features Backflow preventer of system is LF909 lead free RPZ
Watts 957NRPDA-DOSY-CFM-FS 8 - Part of the 957RPDA Series nwgf The Watts RD-300-R is aThis 8 inch N pattern reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, domestic outside stem and yoke resilient seated
