Watts 77S-M1-20 1 1/2 - Part of the 77S Series Woven Fabric This cover repair kit is

This cover repair kit is used to repair or replace the cover on a 3/4 inch lead free reduced pressure zone assembly used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

the unit includes a 4″ diameter ABS perforated standpipe for subsurface drainage and an 8″ diameter fixed top with heel-proof ductile-iron grate for surface flow capture

ZN673-30IG

Waterproofing Integration & Debris Prevention: Features designed to secure the waterproofing membrane and a grate or strainer system to block debris

ZB415C-4NH

Watts 77S-M1-20 1 1/2 - Part of the 77S Series Woven Fabric This cover repair kit isThis cast iron wye pattern strainer, 1 1 2 inch Watts Model 77S, has an iron body with 20 mesh screen and threaded connections, stainless steel screen, threaded iron retainer cap with non asbestos gasket and tapped blow down connection. Features Wye pattern Cast iron body Threaded connections Tapped retainer cap Specifications Blowdown Outlet Connection Female Threaded Blowdown Outlet Size 3 4 IN Body Material Cast Iron Body Pattern Wye Bolt Material