3/4" Wilkins 350 Double Check Valve Assembly Zoom

3/4" Wilkins 350 Double Check Valve Assembly


Brand: Zurn

34-350 has been discontinued.
Direct Replacement:
SKU: 34-350XL
Brand: Zurn

Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.


Size: 3/4"
Height: 4-1/4"
Length: 15-1/8"

Description for Zurn 34-350


This valve assembly is designed for installation on water lines to protect against both back-siphonage and back-pressure of polluted water into the water supply. Assembly shall provide protection where a potential health hazard does not exist.

Standards Compliance(Horizontal & Vertical)

  • ASSE® Listed 1015
  • IAPMO® Listed
  • CSA® Certified B64.5
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • Main valve body: Cast Bronze, ASTM B 584 (3/4-1")
  • Housing: Reinforced Nylon
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: Silicone (FDA Approved), Buna Nitrile (FDA Approved)
  • Internals: Delrin, NSF Listed
  • Springs: Stainless steel, 300 series
  • Ball Valves: Cast Bronze, ASTM B 584
  • Struts: Forged Brass ASTM B 124
NOTE: Image depicts 3/4" valve assembly

3/4" Wilkins 350 Double Check Valve Assembly

Q&A: Ask the Questions, share answers

SupplyHouse.com Logo

Join Our Mailing List - Sign up and receive special offers and coupons