Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics The 91691251 is a strong

The 91691251 is a strong service choice when a compatible 2

and internal assemblies all depend on correct foundational alignment

Helps restore structural support behind the suction opening

this cleaning head helps support dependable system performance and stronger long-term service confidence

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

Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics The 91691251 is a strongThis 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