Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl only a short amount of

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

damaged around the ports

Useful when original internals are worn or underperforming

This type of part is especially useful when the original cable has developed visible wear

cleaner trim match matters

Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl only a short amount ofSmall 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