Contact Us
Register | Log In
Facebook pageLinkedIn pageTwitter page
Cart Summary
Your Cart is Empty
View Cart
 Visa  Mastercard  Discover  American Express
Search
 
 
Navigation
Home
Catalog
Tubing
Electric Floor Heat
SmartTrac
Fittings
Manifolds
Tools & Accessories
Heating System Controls
HydroNex
HPS Pump Panels
RGP Controls
Nibco Radiant Panels
Webstone
Thermostats
Electronic Controls
Tekmar Controls
Pumps
Mixing Valves
Gauges and Adapt.
Heat Exchangers
Thermo. Controls
Exp. Tanks & Air Elim.
Radiant Insulation
Water Heaters & Boilers
Books
Services
Specials
SubRay - Discontinued
Info
Estimate Request

Free Radiant Floor Heating Estimates
Free Shipping

Free Ground Shipping on Orders Over $200
Find us on Facebook
RPA Trained - Keeping your project done right
Radiant Professionals Alliance
  Bronze Combination Fill Valve and Backflow Preventers
Bronze Combination Fill Valve and Backflow Preventers
Click to enlarge
Series B911, B911S 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. It consists of a bronze Watts Model 9D backflow preventer and a bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit. Model B911 has union NPT x NPT connections. Model B911S has union solder x NPT connections. The Series B911, B911S has a high capacity fill valve that provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems.

Maximum Pressure: 100psi (6.9 bar)
Connection: 1/2" NPT

Part Number: B911-M3

Price: $124.50

 
 
Tell a Friend