Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure and reduces downtime due to

and reduces downtime due to part wear

OEM jet inserts maintain original performance characteristics

Replacing the terminal bar helps restore clean

It works with the turbine and spindle assembly to drive cleaner movement

The AutoPilot 952-ST/DIG Cell Cord is the correct OEM replacement cable for compatible Pool Pilot Digital

Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure and reduces downtime due toWhat This Part Is Used For The AC004 standard CO2 system is used to regulate pool pH by injecting carbon dioxide into the return line. It integrates with compatible automation or standalone control systems for chemical management. Why This Part Matters CO2 systems provide controlled pH reduction without handling liquid acid at the equipment pad. Consistent pH control protects heaters, plaster, and salt cells from scaling. Proper operation helps