Zurn Wilkins

Model 350A 3 in. Ductile Iron Flanged 175 psi Backflow Preventer

Part #W350AM  |  Manufacturer Part #3-350A

Valve Size

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Product Details

  • Protects against both backsiphonage and backpressure of polluted water
  • Top-mounted test cocks for easy access
  • Short lay length makes for easy retrofit
  • Max Pressure 175 psi
  • Includes NRS Gate valves
  • Single access cover reduces maintenance down time
  • Zurn Wilkins CompoundChecks® provides low head loss

Lead Law Compliant



ASSE Standards: ASSE 1015

AWWA Specifications: AWWA C-510

CSA Certified: CSA 9R

Collection: Model 350A

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: Yes

Fitting Size 1: 3 in

Height: 32-1/2 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

Length: 41-3/10 in

Material: Ductile Iron

Material Type: [EPDM, Buna-N]

Maximum Pressure: 175 psi

Maximum Temperature: 140

NSF Certified: No

NSF Specifications: [NSF 61, NSF 372]

UL Listed: Yes

Valve Size: 3 in

Valve Type: Backflow Preventer

Weight: 248.25

Width: 21-1/2 in