AG-4 Wilkins Air Gap Adapter Fitting
Designed for use with 3/4" thru 1" Model 975XL, and 975XL2 Reduced Pressure Principle Backflow Preventers on horizontal or vertical installations. Device is necessary when installing a drain line and can be mounted to the body. (Drain line can be any standard piping material.)
- Provides a means of attaching a drain line to an RP
- Prevents a cross connection between the drain and potable supply
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