Features:

Ideal for Boiler Feed Lines, Livestock Drinking Fountains, Trailer Park Water Hook-Ups, Laboratory Equipment and Numerous Other Applications
It Uses an Intermediate Vacuum Breaker to Protect Against Backflow and Back Siphonage of Contaminated Water into Portable Water Supplies

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: BP900
Product Type: Backflow Preventer, Dual Check, Vacuum Breaker
Nominal Size: 1/2”
Product Material: Bronze
End Connection: Female Threaded x Female Threaded
Temperature Rating: 250 Degrees F
Pressure Rating: 175 PSI
Dimensions: 4.65” x 2.95” x 2.15"
Weight: 1.38 lb.
Includes: Intermediate Atmospheric Vent