Watts B911S-M3 - Part of the 911 Series ZA100F-2NH Gutter-to-Pipe Transition: Designed to connect

Gutter-to-Pipe Transition: Designed to connect a 4-inch tall/gutter inlet to a 3-inch pipe outlet

Bottom flanges have an anchoring lip for straight installation without floating

no-hub standard) for installation flexibility

is H-20 rated and rated for NDS Class C loads (up to 325 psi)

ZN415BL-4IC

Watts B911S-M3 - Part of the 911 Series ZA100F-2NH Gutter-to-Pipe Transition: Designed to connectThis 1 2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre assembled unit. The high capacity fill valve provides quick system filling and purging. It