WW0235072, Watts, 1 IN Combination Boiler Trim Out Package with 2.1 Gal Expansion Tank

This combination boiler trim out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-15, 1 inch cast iron air separator, a bronze combination fill valve and backflow preventer, B911S, a boiler fill valve fitting RBFF, 1/8 inch and a 1/2 inch service check valves, SCV, and a 1/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.