Pentair ETi400 Heater Air Inlet Kit | 475971 Pool Liners the ADS20 kit integrates into

the ADS20 kit integrates into regular maintenance to manage ash disposal more effectively

Versatile Use: Ideal as a central feature or an accent piece

Their skimmer assemblies integrate directly with circulation and filtration systems

You’ll commonly encounter them in skimmer assemblies or as part of the main return line where water is directed back into the vessel

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Pentair ETi400 Heater Air Inlet Kit | 475971 Pool Liners the ADS20 kit integrates intoWhat This Part Is Used For Pentair 475971 Kit Heater Air Inlet ETI400 is a replacement air inlet kit for compatible ETI400 heater models. It manages incoming combustion air to the heater assembly. Why This Part Matters Proper air intake is essential for balanced combustion and safe ignition. A damaged inlet can disrupt airflow and affect heater performance. Replacing it restores correct air delivery. Key Features and Specifications Pentair