Pentair Compool ESO-2 Emergency Shut Off PCB (MODESO) covervalet Pentair FSH/FNS/Quad Nut (194997Z) addresses

Pentair FSH/FNS/Quad Nut (194997Z) addresses a specific service point while preserving compatibility with the intended Pentair application

Replacement is often recommended when the original gaskets are flattened

This type of part is especially useful when the original thermostat is inaccurate

6" suction trap cover for compatible Pentair assemblies

or no longer routing flow correctly

Pentair Compool ESO-2 Emergency Shut Off PCB (MODESO) covervalet Pentair FSH/FNS/Quad Nut (194997Z) addressesThe clamp knob provides the tightening point needed to secure compatible Challenger and Waterfall pump clamp assemblies. This replacement helps restore proper serviceability when the original knob is stripped, cracked, or missing. A fresh knob can make routine access easier while helping the pump housing clamp maintain a more dependable hold. Choose this replacement when you want a clean, part specific repair rather than forcing a workaround that can