Pentair Challenger Waterfall Pump Volute (355302) skimmers while the dark gray finish

while the dark gray finish helps preserve the look of the original setup

The UltraPure 115 volt ballast is designed for compatible UPP15 and UPS350

A temperature sensor is useful because it helps the control system monitor operating temperature accurately

replacing aged components

Pentair Challenger Waterfall Pump Volute (355302) skimmers while the dark gray finishThe Pentair 355302 Challenger waterfall pump volute is designed for compatible Challenger waterfall pump applications where the main wet end housing section needs replacement. A volute like this is useful because it forms a core part of the pumps water pathway and helps direct flow through the wet end during operation. Replacement is often needed when the original volute is cracked, worn, damaged by freezing or impact, or no longer suitable for reuse