Hayward AC004 Standard CO2 System

What 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 maintain water balance and swimmer comfort.

Key Features and Specifications

• Manufacturer part number AC004
• Standard CO2 feed system
• Automated pH control method
• Injects carbon dioxide into circulation line
• Compatible with chemical automation platforms

Installation and Fitment Guidance
Install with proper regulator and secure mounting near equipment pad. Verify injection location is downstream of sensitive equipment. Confirm by manufacturer part number before ordering.

About the Hayward Brand
Hayward automation systems support integrated sanitation and chemical control. CO2 management is part of advanced pH regulation strategies. Genuine components maintain compatibility and reliable operation.

Common Service Context
Installed during full automation builds. Used when converting from liquid acid feed to CO2 control.