Watts® 1/2-B911S-M3 Combination Fill Valve and Backflow Preventer, 1/2", Bronze FREE SHIPPING For use with electric baseboard

For use with electric baseboard and fan-forced heaters

WypAll® L40 All-Purpose Wipers is used for a wide range of industrial cleaning and maintenance tasks

When moisture build-up is reduced

Increased high speed steel height (highest in the industry) improves hole saw durability

also known as metalbest or metabasites

Watts® 1/2-B911S-M3 Combination Fill Valve and Backflow Preventer, 1/2", Bronze FREE SHIPPING For use with electric baseboardUse 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 Watts Model 9D backflow preventer and a bronze Watts Model 1156F feed water pressure regulator in one pre assembled unit. High capacity fill valve that provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic