Waterway Wall Fitting [2-3/8" HS, 1-1/2" FPT, 3-1/2" FD] [Gray] (400-9177B) electrical The SherLok 80 fit and

The SherLok 80 fit and 16-1/4 inch relationship give this part practical value because internal filter components work best when they match the original size and assembly relationship closely

or no longer producing the expected flow

since replacing only one side of a matched sealing setup can leave the repair incomplete

It is a practical service option when restoring heater performance in a compatible Cal Spas system means keeping the original boxed assembly format

A topside panel overlay helps restore the printed interface on a compatible spa control panel

Waterway Wall Fitting [2-3/8" HS, 1-1/2" FPT, 3-1/2" FD] [Gray] (400-9177B) electrical The SherLok 80 fit andThe Waterway 400 9177B wall fitting is designed for compatible return applications using a 2 3 8 inch hole size, a 1 1 2 inch female pipe thread connection, and a 3 1 2 inch face diameter in gray. Wall fittings like this are important because they create the transition between the plumbing system and the visible return area, supporting both system performance and finished appearance. The gray finish gives the fitting a more understated look that works