Pentair Fan Control Board | ETi® 400 Heater | 475978 S0175 Option 2 E-Z SOLUTION Automatic

Option 2 E-Z SOLUTION Automatic Daily Feed:

and gloves before opening the bag

MagnaSweep step heads are position- and flow-specific — confirm the Style designation (Style I

or no longer seals correctly — conditions that allow air intrusion and reduce pump prime

This angled hose connector links sections of the cleaner's feed hose at a 45-degree offset

Pentair Fan Control Board | ETi® 400 Heater | 475978 S0175 Option 2 E-Z SOLUTION AutomaticThe 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