Pentair Challenger/Waterfall 1/4-18 Clamp Knob (175025Z) poolcovers That gives this part a

That gives this part a very specific role in the hydrotherapy experience and makes replacing it worthwhile when the original barrel no longer performs the way it should

Improves flow confidence and rebuild quality

It is a practical addition for saltwater pools

improving the quality of both repair and maintenance work

This switch has practical value because it is associated with a recognizable Jacuzzi whirlpool bath application rather than serving only as a generic control component

Pentair Challenger/Waterfall 1/4-18 Clamp Knob (175025Z) poolcovers That gives this part aThe 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