Pentair Sta-Rite System 3 1-1/2" x 2" Drain Adapter Fitting (24900-0509Z) handrailsladders The expanded cross-reference set gives

The expanded cross-reference set gives this cartridge practical value because accurate filter replacement depends on matching the cartridge to known identifier families rather than relying on appearance alone

and more dependable ongoing operation in compatible systems

It is a targeted part for pressure cleaner repair rather than a generic pool hose

A correct replacement improves both function and the visible quality of the control area

Pentair Sta-Rite System 3 1-1/2" x 2" Drain Adapter Fitting (24900-0509Z) handrailsladders The expanded cross-reference set givesThis drain adapter fitting is designed for Sta Rite System 3 filters using a 1 1 2 inch by 2 inch connection layout. Drain fittings often see repeated use during cleaning, cartridge service, and seasonal shutdowns. Replacing a worn adapter helps maintain a reliable service point and can prevent leaks caused by damaged threads or aged plastic. Fits select Sta Rite System 3 filter assemblies Supports proper drain connection sizing Useful for