Pentair Challenger/Waterfall 1/4-18 Clamp Knob (175025Z) poolcovers Useful when the original flow

Useful when the original flow cell is damaged or leaking

improving the quality of both repair and maintenance work

Improves flow confidence and rebuild quality

or equipment may work one day and misbehave the next

Pentair Challenger/Waterfall 1/4-18 Clamp Knob (175025Z) poolcovers Useful when the original flowThe clamp knob is a small but essential service part for securing the trap or clamp area on compatible Challenger and Waterfall pump assemblies. If the original knob is stripped, cracked, or missing, the assembly may be difficult to tighten correctly. This Pentair 1 4 18 replacement knob helps restore a secure, serviceable connection without replacing larger pump components unnecessarily. Replacement clamp knob for select Challenger Waterfall pumps