Pentair DSI Ignition Control | MiniMax 75 & 100 | 471091 ART1004S of filtration surface area through

of filtration surface area through 110 precision pleats of 3 oz

and a splash screen that provides protection from incoming water attacks

Mounted beneath the venturi assembly

To maintain pools free of visible algae growth

This cartridge contains no internal center core

Pentair DSI Ignition Control | MiniMax 75 & 100 | 471091 ART1004S of filtration surface area throughThe Pentair 471091 is the OEM Direct Spark Ignition (DSI) control board for Pentair MiniMax 75 and MiniMax 100 pool and spa heaters. 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 DSI control module manages the direct spark ignition