Waterway Eyeball Fitting [3/4" 1-1/2" Inside Inlet] (400-1420D) heaterparts A wall fitting like this

A wall fitting like this is useful because it restores the core body component behind the visible suction cover

This bag has practical value because the 70 micron rating gives the cleaner a more specific filtration profile than a broad generic bag description alone

this system is aimed at spas that need a balanced combination of heating capacity and modern control coordination

or equipment updates

Waterway Eyeball Fitting [3/4" 1-1/2" Inside Inlet] (400-1420D) heaterparts A wall fitting like thisThe Waterway Eyeball Fitting [3 4" 1 1 2" Inside Inlet] (400 1420D) is a Waterway Plastics replacement component designed to support controlled water return, inlet, or outlet flow in compatible pool and spa plumbing systems. Built for the listed configuration and part number 400 1420D, this component helps make targeted equipment repairs easier without replacing a larger assembly unnecessarily. It can be used during repairs, replacements, or equipment