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Matching the correct outdoor assembly helps preserve intended venting compatibility and supports cleaner service results
The combination of recognizable LX branding
and heater compatibility before installation
The positive seal and NeverLube design combination makes it appealing for buyers who want durable valve performance with reduced maintenance concerns
Pentair Challenger/Waterfall 1/4-18 Clamp Knob (175025Z) miscvalves Matching the correct outdoor assemblyThe 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
