Boiler Fill Valve

Inlet Conn.: 1/2" NPT or Sweat; Outlet Conn.: 1/2" NPT or Sweat;

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  • BP900 backflow preventer and FM451 pressure regulating valve in one pre-assembled unit
  • Built-in check valve
  • Fast fill
  • Adapter included for NPT or sweat connections

Inlet Conn.: 1/2" NPT or Sweat; Outlet Conn.: 1/2" NPT or Sweat;


Regulating pressure range: 4 PSI to 60 PSI; preset at 12 PSI |Maximum operating pressure: 150 PSI |Maximum ambient temperature: 212°F

Product Specifications

Inlet Conn.1/2" NPT or Sweat
Outlet Conn.1/2" NPT or Sweat
Shipping Weight3.55
Shipping Width6.30
Shipping Length9.20
Shipping Height4.60

Compliance & Notes

Harmonize Code8481301090

See catalog page 465 for additional notes and/or restrictions.

Warranty Information

WARRANTY - Johnstone Supply will administer and promptly process all warranties in accordance with the manufacturer's specific warranty policies and procedures.

WHOLESALE ONLY - Identification is required of purchasers. Possession of Johnstone's catalog does not constitute an offer to sell by Johnstone or the right to purchase from us.

RETURNS - All returns are subject to a restocking charge.

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See other: Honeywell - Backflow Preventers
See all: Honeywell Products

Mfg. #: FM911