Pentair ETi400 Control Board Replacement Kit | 475975 Pool Covers we help pool owners and

we help pool owners and service professionals confirm the correct AutoPilot replacement parts before the order ships

You often find it in skimmer assemblies or pump wet ends for larger pools

Techs typically see this type of system on smaller residential pools or as a replacement package during an equipment pad refresh

or heat exchanger restrictions

As part of the Galaxy series

Pentair ETi400 Control Board Replacement Kit | 475975 Pool Covers we help pool owners andWhat This Part Is Used For Pentair 475975 Kit ETi400 Control Board Replacement is a replacement control board kit for compatible Pentair ETi400 heaters. It manages heater operation and internal system logic. Why This Part Matters A failed control board can cause ignition problems, display errors, or complete heater shutdown. Replacing it restores proper sequencing and communication between components. Reliable control operation supports consistent