Wilkins AG-11 Air Gap Fitting for Model 375 (3/4-1 in)

The Wilkins AG-11 Air Gap Fitting provides a compact, code-minded drain connection for Reduced Pressure Principle backflow preventers (Model 375 and 375XL). Designed for indoor installations, the AG-11 directs nuisance discharge to a safe drain and prevents any cross-connection between the drain and the potable water supply.

• Compatible with 3/4–1 in Model 375 and 375XL Reduced Pressure assemblies for reliable discharge control.
• Composite/nylon inlet with a 2" IPS slip outlet to accept common drain piping and simplify installation.
• Epoxy-painted cast grey iron elbow and zinc-plated steel bolts for long-lasting corrosion resistance in indoor environments.
• Prevents cross-connections and routes nuisance relief water away from potable systems; intended for indoor use with RP assemblies.
• Easy to mount to standard drain lines; compact profile minimizes space requirements beneath the assembly.
• Meets relevant industry guidance for air gap use on Wilkins 375-series backflow preventers; specification sheet available for full dimensions and installation details.

Installers and service technicians will value the AG-11's straightforward fit and durable construction when adding a drain connection to a Model 375 or 375XL RP assembly. Refer to the manufacturer specification sheet for torque, mounting orientation, and dimensional drawings before installation.