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Watts Fill Valve and Backflow Preventer

Provide make-up water to the boiler, and prevent backflow

Bronze Combination Fill Valve and Backflow Preventers are 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. Part consists of a bronze Watts Model 9D backflow preventer and a high-capacity bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit.

Documentation: Watts-911.pdf

Part No. Qty Unit Price
0386460 1/2" 9-11TM3 Iron Body (Combination 1156F-9D (Threaded) $127.14
0386462 B9-11S Bronze Body (1/2 inch sweat) $86.05

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