Hayward pH Acid Feed Dispense System, 120V | AQL-CHEM4-ACID Pool Safety Covers Its arrangement aligns with the

Its arrangement aligns with the model’s burner layout to deliver a balanced

Natural gas fuel provides reliable

SKU 6-403-00 is included to identify and order this replacement part

steady airflow

The R0555100 fits into standard pool setups

Hayward pH Acid Feed Dispense System, 120V | AQL-CHEM4-ACID Pool Safety Covers Its arrangement aligns with theWhat This Part Is Used For The AQL CHEM4 ACID pH acid feed dispense system 120V automates acid dosing to manage pH levels. It integrates with compatible Hayward automation systems. Why This Part Matters Proper pH control protects plaster, heaters, and salt cells. Automated acid feed reduces manual adjustments and chemical swings. Consistent dosing supports balanced and comfortable pool water. Key Features and Specifications Manufacturer part number