Waterway Econo Eyeball Fitting [1" Insider] [2-1/8" FD] [White] (400-9180) defilters this Waterway internal is a

this Waterway internal is a practical replacement when a 4 inch twin roto textured insert in white is needed

Pressure switch for compatible DTEC heater-related applications

flow is restricted

and FC-9875 reference give this part practical value because DE grid assemblies work best when the replacement matches the original size and internal port orientation closely

Useful for smoother branch routing than a standard tee

Waterway Econo Eyeball Fitting [1" Insider] [2-1/8" FD] [White] (400-9180) defilters this Waterway internal is aThe Waterway 400 9180 Econo eyeball fitting is designed for compatible 1 inch insider return applications and features a 2 1 8 inch face diameter with a white finish. Eyeball fittings like this are useful because they help direct return flow while also contributing to the finished appearance of the fitting at the wall. The Econo format makes this a practical choice for installations where dependable function and straightforward replacement matter