Pentair PacFab Pinnacle/Challenger 1.0/1.5 HP Impeller (355074) adapters and this Darlly cartridge is

and this Darlly cartridge is designed for compatible applications referencing FC-2970

The Waterway 310-7420 impeller is designed for compatible 1

Improves protection reliability and service accuracy

Helps improve serviceability and finished appearance

even everyday use can feel more frustrating than it should

Pentair PacFab Pinnacle/Challenger 1.0/1.5 HP Impeller (355074) adapters and this Darlly cartridge isThis replacement pump impeller is intended for repair situations where small fitment details matter and generic substitutions can create leaks, vibration, or poor service results. Because it is matched to the listed part number, it can help reduce guesswork when replacing older hardware, internal filter parts, pump pieces, or valve components. The 355074 impeller should be matched to the correct horsepower and pump family to help maintain proper water