Pentair Heater Fan Control Board For ETI 400 Heaters | 475978 K2005 water flow issue crystal filter

water flow issue crystal filter 550-4270 fix

essential component for maintaining clean pool water

The OEM Pentair 516112Z Skimmer Basket with a handle is designed for use with Bermuda Gunite and Vinyl Liner Skimmers

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Pentair Heater Fan Control Board For ETI 400 Heaters | 475978 K2005 water flow issue crystal filterThe 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