Pentair Control Board | ETi® 400 Heater | 475975 Automation & Controls Parts and you avoid any turbulence

and you avoid any turbulence the heater might add

verify against your flow indicator's parts diagram to confirm this is the correct replacement

Confirm that your filter is the Clean & Clear series

This valve directs water flow through the filter's Filter

Pentair Control Board | ETi® 400 Heater | 475975 Automation & Controls Parts and you avoid any turbulenceThe Pentair Control Board (475975) is the OEM replacement control board for the Pentair ETi 400 Heater, restoring full electronic management of ignition sequencing, temperature regulation, and system fault monitoring. 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