WATTS® 88005793 B911 Threaded Backflow Preventer
This 1/2 inch bronze combination fill valve and backflow preventer is 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. It consists of a bronze backflow preventer, model 9D, and a bronze feed water pressure regulator, model BD1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union Viega ProPress inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Orders placed by 2:00pm EST will ship same day. All orders ship via UPS/USPS/Fedex Ground.
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Product overview
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Delivery & Returns
Orders will ship same day if received by 2pm EST. We ship ground via USPS, UPS, and Fedex from our warehouse in CT. We do not offer expedited shipping at this time.
All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.