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Zurn Industries 2-1/2'' - 6'' Air Gap Fitting Compatible With Model 375/375A/475

SKU: AG-6

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Product Details

Zurn Industries AG-6

The AG-6 Air Gap Fitting is used for indoor installations of all 2-1/2'' - 6'' Model 375, 375A, and 475 Reduced Pressure Principle Backflow Preventers for the connection of a drain pipe to the backflow preventer, directing nuisance water discharge to a safe drain. It has iron inlet and 3'' NPT outlet connections. The AG Air Gap Fitting can be mounted to the body of any drain line made of any standard piping material. The AG prevents a cross connection between the drain and potable water supply. Materials include an epoxy-painted cast grey iron elbow and zinc-plated steel bolts for long-lasting effectiveness.


The AG-6 Air Gap Fitting is used for indoor installations of all 2-1/2'''' - 6'''' Model 375, 375A, and 475 Reduced Pressure Principle Backflow Preventers for the connection of a drain pipe to the backflow preventer, directing nuisance water discharge to a safe drain. It has iron inlet and 3'''' NPT outlet connections. The AG Air Gap Fitting can be mounted to the body of any drain line made of any standard piping material. The AG prevents a cross connection between the drain and potable water supply. Materials include an epoxy-painted cast grey iron elbow and zinc-plated steel bolts for long-lasting effectiveness.


  • Collection AG
  • UPC 612052053059
  • Online Product ID 2972396
  • Length 5"
  • Width 5"
  • Height 10"
  • Weight 5.428 lbs.
  • Made In China
  • Material Cast Iron
  • Unit Of Measure Each
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Minimum Order Quantity 1
  • Shipping L:7"x W:7"x H:11" 6.5 lbs.

Additional information

  • Reduces downtime of attaching a drain line to a Reduced Pressure Principle Assembly
  • Available for all Zurn Wilkins Reduced Pressure Principle Assemblies
  • Eliminates cross connection between the drain and potable water supply
  • Zinc-plated steel bolts resists corrosion
  • ANSI/ASME A 112.1.2

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