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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

B9-11T Bronze Body(1/2 inch thread)

Part No: 0386463

$285.68 each


Toll Free: (866) 361-4782

Fax: 206-274-1501

17420 Vashon Hwy SW
PO Box 2270
Vashon, WA 98070

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