Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure Maintains system efficiency by reducing

Maintains system efficiency by reducing water loss and preserving proper flow

OEM Advantage: Proper casting ensures durability and leak resistance

Material: High-quality 304 stainless steel construction designed to handle the high thermal output of 48-inch units

The Hayward AXV621D Universal A-Frame Assembly Kit replaces the A-frame support structure in compatible automatic pool cleaners

Hayward Standard CO2 System | AC004 Square Propane Tank Enclosure Maintains system efficiency by reducingWhat 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