Pentair Fan Control Board | ETi® 400 Heater | 475978 Ring Buoys Designed to protect personnel exposed

Designed to protect personnel exposed to ground faults in AC

Maximizes system efficiency with extended intervals between cleanings

Model HSQ260

180 and also designed to use with Zodiac Polaris pool cleaner model Vac-Sweep 380

Pentair Fan Control Board | ETi® 400 Heater | 475978 Ring Buoys Designed to protect personnel exposedThe 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