Hayward C-Spa XI Thermostat Knob Black (CZXTSK2003) controlsystemparts The R0529300 is a practical

The R0529300 is a practical maintenance part when a compatible Zodiac or Jandy cleaner needs its black front tire renewed for better grip and more reliable travel

Improves system continuity and replacement confidence

This accessory is especially useful in pools that collect heavier debris during routine cleaning

Choosing the tray-only option can make the repair more targeted and more economical

Hayward C-Spa XI Thermostat Knob Black (CZXTSK2003) controlsystemparts The R0529300 is a practicalThis black thermostat knob is a replacement control part for compatible Hayward C Spa XI heater applications. A damaged or missing knob can make temperature adjustment difficult and reduce usability at the equipment pad. Replacing it gives the control panel a cleaner, more functional feel during routine operation. Replacement thermostat knob for compatible C Spa XI heaters Helps restore manual temperature adjustment Black finish for matching control