Hayward StarClear C-500 Filter Cartridge (CX500RE) airbuttons A heat exchanger is useful

A heat exchanger is useful because it is one of the most important performance parts in the heater

Replacing a damaged spreader can help the filter return to a more balanced and dependable operating condition

or no longer providing the alignment and drive relationship the assembly depends on

Useful when original relays are failed or unreliable

Hayward StarClear C-500 Filter Cartridge (CX500RE) airbuttons A heat exchanger is usefulThe Hayward replacement filter cartridge is designed for compatible C500 filter applications where the internal cartridge element needs replacement. A filter cartridge is useful because it captures dirt and debris from circulating water, helping maintain cleaner water and dependable filtration performance. This replacement is especially useful when the original cartridge is torn, clogged beyond cleaning, collapsed, or no longer filtering effectively.