Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl Supports proper internal water collection

Supports proper internal water collection and cartridge alignment

A part like this can improve both the seat feel and the visible finish in one straightforward step

brittle fittings

only a short amount of added reach is needed to route the panel cleanly or avoid a tight connection path

and similar hardware

Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl Supports proper internal water collectionSmall components can make a major difference in equipment performance. Pentair ETi 400 Fan Control Board Replacement Kit (475978) replaces a defined wear part, service part, or connection point in the intended assembly. This replacement fan control board supports ETi 400 heater fan operation, helping coordinate airflow control required for proper combustion and heat exchange. It is useful when the existing component shows wear, damage, age related