Pentair DSI Ignition Control | MiniMax 75 & 100 | 471091 ART1004S 3" ID both ends) and

3" ID both ends) and fits the same housing as a lower-capacity alternative

Mounted beneath the venturi assembly

even when the valve body and clamp are in good condition

SR Smith Artisan Deck Mounted Stair Rail - #ART-1004

Note from Pleatco: This cartridge features open ends with 12 concentric slots — verify your existing cartridge matches this cap configuration before ordering

Pentair DSI Ignition Control | MiniMax 75 & 100 | 471091 ART1004S 3" ID both ends) andThe 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