Pentair Control Board | ETi® 400 Heater | 475975 Automation & Controls Parts This valve directs water flow

This valve directs water flow through the filter's Filter

With 111 pleats of heavy-duty 4 oz

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

5" pipe that works out to:

Fits into:

Pentair Control Board | ETi® 400 Heater | 475975 Automation & Controls Parts This valve directs water flowThe 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