Fire Hydrant Backflow Preventer

  • Fire Hydrant Backflow Preventer
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Price: $1,126.15
$0.00 $1,126.15
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Stock Level: 10 or more

Product Status: In Stock

When Will it Ship:

Shipping Cost: Free Shipping

Shipping Transit Time: 2 to 5 Business Days

Eligible for Express Shipping: Yes

Stock Level Updated: Oct 30, 2025


Item Number: BFP250-DC
Weight: 25.85 lb
  •  Inlet: Female 2 1/2 inch NH / NST
  • Outlet: Female 2 inch Pipe Thread (NPT)
  • Maximum Pressure: 175 PSI
  • Will connect to most fire hydrants
  • Stainless steel shut-off valve handles
  • Zurn: Wilkins
  • Includes: Aluminum 2 1/2 inch Swivel Female NH to 2 inch Male NPT
  • Not Eligible for Returns if Used
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Description

Double check valves back flow prevention assembly is used to protect water supplies from contamination or pollution due to back flow. Three top mounted test cocks ensure easy access during repair and maintenance. Consists of two spring-loaded poppet type check valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Designed to give maximum protection against back flow caused by back-pressure or back-siphonage from a cross-connection wherein a contaminant hazard exists.

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Specifications

Dimensions

  • A: 16 inches
  • B: 14 3/8 inches
  • C: 3 1/8 inches
  • D: 6 1/4 inches
  • E: 3 3/4 inches
  • F: 2 1/4 inches
  • H: 20 3/4 inches

Help Me Connect

NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST. The female side of a NH / NST coupling will only connect to a male NH / NST connection

2 1/2" NH / NST Fire Hydrant

  • Outside diameter of a male NH / NST fire hydrant - 3 1/16 inches (7.5 Threads per inch)

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