Pentair CNCRP/PosiClear RP/Sep Tank Threaded Half Union (178733Z) couplings Helps restore the wet-end housing

Helps restore the wet-end housing and water-path structure

Cleaner assemblies can include many similar-looking parts

The 3-piece body makes a big difference in larger valves because it can simplify maintenance compared with less service-friendly designs

A properly selected King Technology mineral cartridge contributes to more dependable treatment performance and easier routine service

Pentair CNCRP/PosiClear RP/Sep Tank Threaded Half Union (178733Z) couplings Helps restore the wet-end housingA reliable union kit makes future pump and filter service much easier. This 1 1 2 inch 3 piece union kit is designed for Pentair CFII, Sand Dollar, Tagelus, and Dynamo applications where a removable plumbing connection is needed. The three piece layout helps technicians disconnect equipment without cutting pipe when cleaning, replacing, or repositioning components. Choose this replacement when you want a clean, part specific repair rather than forcing