450

Double Check Backflow Preventer

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Retrofit
Lead Free
Water Savings
Zurn Wilkins

The 450 Double Check Backflow Assembly is utilized in low health hazard applications for protection against both backsiphonage and backpressure of polluted water into the potable water supply. Shaped in the n-Pattern, the Model 450 is ideal for both new and retrofit installations in compact locations. The patented, center-stem guided Compound Check provides low headloss and reliable, superior performance. It also features a convenient single access cover to reduce maintenance downtime. Materials include a corrosion-resistant, epoxy-coated ductile iron body and access covers, and stainless steel fasteners and springs.

  • Compact size ensures easy retrofit applications in tight spaces
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • n-Pattern allows for use in compact enclosures
  • Valve assembly comes standard with NRS gate valves, additional gate valve configuration available
  • Epoxy-coated ductile iron body protects against corrosion
  • Lead-free
  • ASSE® Listed
  • IAPMO® Listed
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