Waterway 2-1/2" Slide Valve Piston Assembly (500-1600) americanzettler and this Filbur FC-3067 cartridge

and this Filbur FC-3067 cartridge is designed for C-2610 and PW15W/C applications

and this G & P Tools version is designed for HydroAir and Balboa Hydro Jet applications using the 99-366-1125 reference

It is a practical choice when heater plumbing needs the right combination of serviceability

Supports efficient spa performance

Useful when the original button is damaged or visually worn

Waterway 2-1/2" Slide Valve Piston Assembly (500-1600) americanzettler and this Filbur FC-3067 cartridgeThe Waterway 500 1600 piston assembly is designed for compatible 2 1 2 inch slide valve applications. An assembly like this is useful because it restores the core moving component inside the slide valve, helping bring back the intended flow control action of the valve body. Replacing the piston assembly can be a practical way to repair a slide valve without replacing the entire housing, especially when the body remains serviceable. This Waterway part