Watts 800M4QT-SH 1 - Part of the 800M4QT Series ZA100F-6NH two in-line independent positive seating

two in-line independent positive seating check modules

or indirect waste require reliable drainage and resistance to clogging or roof membrane failure

Specifications Brand Watts Buy American Act Compliant NO Lead Free Not In Scope Outlet Connection Size 4 IN Outlet Connection Type Push Specification Sheet - FD-460-F

it has an NDS Class A load rating when properly installed (pedestrian traffic only)

UPC - 098268023084

Watts 800M4QT-SH 1 - Part of the 800M4QT Series ZA100F-6NH two in-line independent positive seatingThis 1 inch anti siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, stainless steel tee handle shutoff, and test cocks for winterization