Zurn Industries - 4-350ASTDASCFMBG - 4'' 350ASTDA Double Check Detector Backflow Preventer with sensus cu ft meter and grooved end Butterfly gate Vlvs

Zurn Industries - 4-350ASTDASCFMBG

The 4'' 350ASTDASCFMBG Double Check Detector Assembly with sensus cubic feet meter and grooved end butterfly valves with integral supervisory switches protects against both back siphonage and backpressure in low health hazard, fire protection applications. Its stainless steel body, access covers, internals, fasteners, and springs are corrosion-resistant for reduced maintenance costs. Featuring a metered bypass system, the 350ASTDASCFMBG efficiently detects leaks and any unauthorized water use. Its single access cover reduces downtime and added costs associated with maintenance and repairs. The 350ASTDASCFMBG features a short lay-length for compact, versatile installation in horizontal or vertical positions.

Collection: 350ASTDA
UPC: 612052233765
Online Product ID: 5729277
Length: 21.5"
Width: 32.3"
Height: 21"
Weight: 153 lbs.
Made in USA: Yes
Low Lead Compliant: Yes
Listing: UL, C-UL
Prop65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Minimum Order Quantity: Yes


  • Short lay-length ensures easy installation in compact spaces
  • Metered bypass ensures cost-savings related to unauthorized water use and leaks
  • High quality 304L grade stainless steel body and access covers reduces corrosion exposure
  • Compliant with horizontal and vertical installation
  • Lead-free law compliant
  • ASSE Listed 1048
  • AWWA Compliant C510 (with gates only), and C550
  • UL Classified
  • C-UL Classified
  • FM Approved

Professional delivery is available for every product we sell. We would be happy to coordinate delivery for you!

4-350ASTDASCFMBG - Zurn Industries

Winthrop Supply is proud to present this decorative preventer, by Zurn Industries. The 4-350ASTDASCFMBG is made from premium materials, this Preventer offers great function and value for your home. This fixture is part of Zurn Industries's decorative 350ASTDA Collection, so make sure to check out other styles of fixtures to accessorize your room.

Zurn places the customer first, building value and trust through superior knowledge of the global markets we serve. Our products and services will continue to provide innovative water solutions delivered by exceptional people. Zurn Engineered Water Solutions® is a recognized leader in commercial, municipal, and industrial markets. Zurn manufactures the largest breadth of engineered water solutions in the industry, including a wide spectrum of sustainable plumbing products. Zurn delivers total building solutions for new construction and retrofit applications that enhance any building’s environment.

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