Pentair Sta-Rite GW9500 Cleaner Oscillator Chamber Cap (GW9506) phoenixrope and this Balboa Jet FIS

and this Balboa Jet FIS Fitting is designed for compatible 1

Part 6-301-R is a useful service item when the existing insert is worn

but related components such as the cell

Water flow issues in spas and hot tubs are often traced back to worn internal components like the Gecko AquaFlo 1

Pentair Sta-Rite GW9500 Cleaner Oscillator Chamber Cap (GW9506) phoenixrope and this Balboa Jet FISThe oscillator chamber cap helps protect and secure the internal area that supports the GW9500 cleaners movement system. A cracked, missing, or worn cap can allow parts to shift, collect debris, or lose the alignment needed for smooth cleaner operation. This replacement is a practical choice when servicing the oscillator chamber or rebuilding movement related components. It helps keep the cleaners internal mechanism protected and positioned correctly