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elevate your pool cleaner's functionality for consistent
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Pentair Heater Fan Control Board For ETI 400 Heaters | 475978 K2005 elevate your pool cleaner's functionalityThe OEM Pentair Heater Fan Control Board, part number 475978, is a crucial replacement component designed for the ETI 400 series pool heaters. This board is responsible for managing the fan operations, ensuring the heater functions efficiently by monitoring the air flow through the system. It includes air flow switches that sense pressure differentials and complete the circuit to the control board when sufficient air flow is detected. This fan control
