Pentair iChlor 1/2" MPT Flow Switch (523100) watertestkits A lock-nut like this is

A lock-nut like this is useful because it helps secure the pressure gauge properly

this gasket helps restore dependable sealing support and contributes to better UV-system service overall

This type of part is especially useful when the service issue is centered on the mounting or contact hardware rather than the fuse element itself

A mineral cartridge helps deliver compatible water-treatment media within a supported feeder system

8-1/2 inch diameter and 19 inch length

Pentair iChlor 1/2" MPT Flow Switch (523100) watertestkits A lock-nut like this isPool and spa systems depend on well matched replacement components, and Pentair iChlor 1 2" MPT Flow Switch is selected for service work involving automation, switching, safety, and control panel service. The product belongs in the Electrical: Switches category, making it easier to locate alongside related repair parts during equipment rebuilds or seasonal service. For electrical or control components, confirm voltage, connector style, and system