Pentair Challenger Mounting Plate | Challenger / Pinnacle / WaterFall Pumps | 355317Z C7415 The impeller is the rotating

The impeller is the rotating component at the heart of the pump's wet end

Rotation: CCW Pump Ed

this part will not match your existing unit

Wall mount installation

except the S20 has twin port base and the S15 has a single port base

Pentair Challenger Mounting Plate | Challenger / Pinnacle / WaterFall Pumps | 355317Z C7415 The impeller is the rotatingThe Pentair Challenger Mounting Plate (355317Z) is the OEM replacement mounting plate for the Challenger, Pinnacle High Pressure, and WaterFall Specialty Inground pump lines. What It Does The mounting plate secures the motor assembly to the pump housing, maintaining precise alignment between the motor shaft and pump components. Replacing a damaged or corroded mounting plate restores the structural integrity of the pump assembly and prevents vibration