Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics The Hydro-Quip Watkins hi-limit and

The Hydro-Quip Watkins hi-limit and temperature sensor plug adapters are designed for compatible sensing applications where the supported sensor connections need the correct adapter interface

The 91691251 is a strong service choice when a compatible 2

115V element is needed for compatible Comfortzone or Coates equipment

and internal assemblies all depend on correct foundational alignment

That helps restore system performance with a direct filtration replacement

Pentair Challenger/SuperMax 1.5 HP Medium Head Impeller (355086Z) jjelectronics The Hydro-Quip Watkins hi-limit andThis 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