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The Zurn Wilkins AG-7 Air Gap Fitting is designed for indoor installations of 8 to 10-inch models, specifically compatible with the 375, 375A, and 475 Reduced Pressure Principle Backflow Preventers. This fitting connects a drain pipe to the backflow preventer, allowing for the safe discharge of nuisance water while preventing a cross-connection with potable water supplies.
Ideal for applications requiring an effective air gap to manage drainage and protect potable water supplies.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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