Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl brittle fittings

brittle fittings

cleaner trim match matters

Useful when original internals are worn or underperforming

damaged around the ports

Pentair ETi 400 Fan Control Board Replacement Kit (475978) NuWhirl brittle fittingsSmall 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