Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics and internal assemblies all depend

and internal assemblies all depend on correct foundational alignment

This part has practical value because a properly matched grid replacement can restore filter function without replacing the entire filter housing or internal assembly

This Waterway EX2 faceplate is a practical replacement when the original front wet-end section has become cracked

The 91691251 is a strong service choice when a compatible 2

It helps restore the cleaner’s water-driven sweeping action and supports the movement needed for effective debris collection

Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics and internal assemblies all dependThis 1. 5 HP medium head impeller is used in compatible Challenger and SuperMax pump configurations where the wet end design must match the pumps intended flow characteristics. A worn impeller can lead to weak circulation, poor filtration turnover, or inconsistent pressure. Use this replacement during a rebuild when the motor is still serviceable but the internal water moving component needs to be renewed. Designed for select 1. 5 HP medium head pump