Air Gap, 2 1/2 to 10 Inch, Metal, NPT Thread, Series 825, Febco

This 2 1/2 To 10 Inch Metal Air Gap Drain Is Installed Under A Reduced Pressure Assembly, Series 825Yd, To Catch Minor Relief Valve Discharge Due To Pressure Fluctuations And/Or Minor Check Valve Fouling. This Drain Reduces The Amount Of Water Splashing In The Area Around Reduced Pressure Assemblies While Funneling Relief Valve Discharge Into The Drain.