Pentair PacFab/Sta-Rite Volute Square Ring O-506 (355329Z)

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This O-506 square ring is a targeted sealing part for select Pentair PacFab and Sta-Rite volute assemblies. It helps maintain the seal between mating pump components so water is di rected through the housing instead of escaping around the volute connection.A fresh square ring is a small but important part of pump service, especially when a pump has been opened for impeller, diffuser, seal plate, or volute work. Replacing the seal during reassembly can help prevent nuisance leaks, improve repair reliability, and reduce the chance of having to reopen the pump. It is a practical fit for technicians and pool owners rebuilding compatible pump assemblies. Show more