Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure It works with the turbine

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

Maintains system efficiency by reducing water loss and preserving proper flow

OEM jet inserts maintain original performance characteristics

A damaged or worn bypass kit can make a Raypak heater not working problem show up as limit trips

OEM Advantage: Proper casting ensures durability and leak resistance

Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure It works with the turbineWhat 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