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Watts B911s-M3 Comb Fill Valve/Backflow Preventor, 1/2in

Watts B911s-M3 Comb Fill Valve/Backflow Preventor, 1/2in

Regular price $68.30 USD
Regular price $177.00 USD Sale price $68.30 USD
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Combination backflow preventer and feed water pressure regulator in one pre-assembled unit, this WATTS boiler feed valve with backflow preventer is for use in residential and commercial hydronic heating systems. Model provides make-up water to the boiler and can prevent backflow when the supply pressure falls below the system pressure.

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