The Honeywell FM911 is a pressure regulating valve for automatic control of boiler feed water and other pressure reducing applications. Especially constructed for expansion tank mounting.

Standard Features:

• BP900 backflow preventer and FM451 pressure regulating valve in one pre-assembled unit
• Built-in check valve
• Fast fill feature
• Adapter included for NPT or sweat connections
• Regulating pressure range: 4 PSI to 60 PSI; preset at 12 PSI