Pentair Control Board | ETi® 400 Heater | 475975 VLLS103S IMPORTANT: THIS IS A KIT

IMPORTANT: THIS IS A KIT — NOT A SINGLE COMPONENT

OEM Brand Product Name Part Number Notes Alcove - - - Atera Spas (Four Seasons Home Resort Products) - - - Dream Maker Spas - - Remove pad adaptor (if present) from skimmer before threading MPT directly into suction fitting

designed to direct sand evenly into the filter tank during refilling

When installing the replacement gauge adapter

NEW Compact Space-Saving Design

Pentair Control Board | ETi® 400 Heater | 475975 VLLS103S IMPORTANT: THIS IS A KITThe 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