Double Check Backflow Preventer 350 (3/4"-2")

Backflow device 350 provides low health hazard protection and has the EZSwap™ removable pressure vessel which provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

This backflow prevention device has a compact design, with shorter lay length and lightweight body, the 350 Assembly fits within tight spaces. It provides unparalleled performance as it is equipped with reinforced nylon EZSwapPressure Vessel which resists corrosion and mineral build-up to better withstand harsh outdoor conditions.

Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

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Popular Models

Popular Options

34-350FT

The Zurn Wilkins 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap® removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - Model 350

34-350 - 3/4" Double Check Backflow Preventer

34-350

The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

1-350 - 1" Double Check Backflow Preventer

1-350

The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

1-350FT

The Zurn Wilkins 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap® Pressure Vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

114-350 - 1-1/4" Double Check Backflow Preventer

114-350

The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

112-350 - 1-1/2" Double Check Backflow Preventer

112-350

The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

2-350 - 2" Double Check Backflow Preventer

2-350

The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

To view all options, see the Specification Sheet - 350 (SIZES 3/4" - 2")

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Features And Benefits

  • EZSwap removable pressure vessel is quickly removed and replaced with Flush Tool (FLUSH) for simple line flushing to remove fouling debris
  • Labor savings from ease of flushing with only one person saves up to 15 mintues per installation
  • Quick and thorough winterization with Blow-Out Accessory prevents costly freeze damage and improves productivity when freeze is quickly approaching
  • EZSwap Pressure Vessel can be removed and replaced in seconds, reducing repair cost and water system down time
  • EZSwap Pressure Vessel is serviceable off-line and reusable, allowing maintenance and repairs to be performed in the safety of the work truck or shop
  • Durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions
  • Stainless steel shut-off valve handles, hardware, and struts resist corrosion
  • Reduced labor and repair kit costs yield savings of 75% or more during the backflow life-cycle
Retrofit or Replacement
Zurn Wilkins
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