Pentair Fan Control Board | ETi® 400 Heater | 475978 S0175 and Challenger® High Flow pump

and Challenger® High Flow pump lines

and 15 Unit of Measure Kit Fits Into

we knew we wanted it to be different than any other clarifier out there

and gloves before opening the bag

Pentair Fan Control Board | ETi® 400 Heater | 475978 S0175 and Challenger® High Flow pumpThe Pentair Fan Control Board (475978) is the OEM replacement control board for the ETi 400 Heater, managing fan operation to maintain safe and efficient heat exchange performance. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. The fan control