Owner`s manual

Boiler Fill Valves
Honeywell Water Product Solutions
63-8702 47
FM Boiler Fill Valves
Pressure regulating valve for automatic control of boiler feed
water and other pressure reducing applications. Especially
constructed for expansion tank mounting.
• Fast fill feature.
• Built-in check valve.
Application: Pressure regulating valve for automatic control of boiler
feed water.
Connection Type: NPT
Mixing (Supply) Maximum Control Temperature: 1/2 in.
Pipe Size: 1/2 in.
Materials (Body): Brass
Maximum Ambient Temperature: 212 F (100 C)
Maximum Operating Pressure: 150 psi (1034 kPa)
Boiler Fill Valves Replacement Parts
Application: Replacement filter assembly for FM450 or FM451
Mixing (Supply) Maximum Control Temperature: 1/2 in.
Materials (Body): Brass
FM450/FM451
F449
FM911
Product Number Inlet Connection Type
Regulating
Pressure
Range
FAST Fill
Dimensions,
Approximate
Weight (lb) Description(psi) (inch)
F449 Female for tank connection;
Male for air purger/Powervent
7 psi to 45 psi no 2 7/8 in. wide x
4 3/4 in. long
1.62 lb 1/2 in. Threaded pressure reducing valve with
1/2 in internal threaded to connect to tank and
1/2 external threaded to connect to purger
FM450 Sweat 4 psi to 60 psi yes 4 1/8 in. high x
5 5/16 in. long
1.8 lb 1/2 in. sweat union Pressure reducing valve
FM451 Threaded 4 psi to 60 psi yes 4 1/8 in. high x
5 5/16 in. long
1.8 lb 1/2 in. threaded union Pressure reducing
valve
FM911 Sweat; Threaded 4 psi to 60 psi yes — 4 lb 1/2 in. NPT Backflow preventer and boiler fill
valve combo assembly
Product Number Description Weight (lb)
FM462-RP Replacement filter assembly for FM450 and FM451 pressure reducing valves 0.2 lb