Air gap intake and heater hoses

toolmanmike said
1/4" pipe thread, 1/2" hose size.
GRAINGER APPROVED Hose Barb,1/2 In Barb,1/4 In MNPT,Brass - 6AFH9|6AFH9 - Grainger

It`s apparent that a couple of u guys don`t know pipe sizes at all. The last pic has the treaded portion of the fitting, the same size as the hose side. No way 1/4" pipe is the same diameter of a 1/2" hose or fitting ! Done w/ this ----------------