Watts ASM1 3 - Part of the AS Series Z100F-4NH threaded or inside-caulk connections)

threaded or inside-caulk connections)

O-ring to prevent leaks

ZN415H-3IP

and dual weepholes (primary and secondary) to capture seepage

This 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

Watts ASM1 3 - Part of the AS Series Z100F-4NH threaded or inside-caulk connections)This 3 IN cast iron air separator is used in commercial and residential, hydronic heating applications to separate air from water in the piping system. It consists of a heavy, cast iron body construction with a 1 2 inch female threaded connection for an expansion tank, and a 1 8 inch female threaded connection for a float vent. It provides continuous purging and venting of air in the system when installed with Watts Model ET expansion tank and Model