Watts 957Z NRS FS 4 Part of the 957 Series ZA100F 3NH Specifications Blowdown Outlet Connection Flanged Specifications Blowdown Outlet Connection Flanged Joint Blowdown Outlet Size 1 2 IN Body Material Stainless Steel Body Pattern Wye Bolt Material Steel Brand Watts Buy American Act Compliant NO Class Rating 150 EAN 098268802160 Epoxy Coating Type None Flange Material Carbon Steel Gasket Material EPDM Inlet Connection Size 2 1 2 IN Inlet Connection Size Metric 65 MM Inlet Connection Type Flanged Joint Inlet Thread Type Does Not Apply To Product Lead Free YES Outlet Connection Size 2 1 2 IN Outlet Connection Type Flanged Joint Outlet Thread Type Does Not Apply To Product Part Number 0821110 Plug Material Brass Retainer Cover Material Ductile Iron Retainer Cover Type Tapped with Closure Plug Screen Material Stainless Steel Screen Size ONE_SIXTEENTH Series 77F SS Strainer Type Wye WOG Rating 200 PSI Specification Sheet 77F SS 919 Compatible Size Used On 1 4 IN to 1 2 IN Kit Contents 2 Check Seat O rings 304 (Schedule 40) stainless steel housing and sleeve When activated through an add on sensor connection kit