Wilkins Water Hammer Arrestor, Lead-Free, 1" MNPT. The air gap drain fitting is designed to attach to the relief port on a Reduced Pressure Zone (RPZ) backflow device and pipe to a drain to direct any discharge to a safe pla...

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Wilkins Water Hammer Arrestor, Lead-Free, 1" MNPT. The air gap drain fitting is designed to attach to the relief port on a Reduced Pressure Zone (RPZ) backflow device and pipe to a drain to direct any discharge to a safe place. Bottom features a 1" Female NPT Connection.

  • Designed for use with 1/4" thru 10" Model 975XL, 975XL2, 375, 375XL and 475 Reduced Pressure Principle Backflow Preventers on horizontal or vertical installations.
  • Provides a means of attaching a drain line to an RP
  • Prevents a cross connection between the drain and potable supply
  • Air Gap assemblies are available for all Wilkins RP Assemblies

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