Skip to product information
1 of 2

1/2 B911T M3REGULATOR/BACKFLOW

Watts

Regular price $130.00 USD
Sale price $130.00 USD Regular price
Shipping calculated at checkout.
By placing your order you agree to purchase from Global-e as the merchant of record, subject to Global-e’s Terms and Conditions and Privacy Policy, and share your information with Western Water & Gas.

Question about this product?

We're happy to help.

Product Information

Watts B911 0386463 (B911T-M3)

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 1156F, 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 NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).