Pentair PacFab/Sta-Rite Volute Square Ring O-506 (355329Z) danner The Waterway 311-1210 Executive faceplate

The Waterway 311-1210 Executive faceplate is designed for compatible 2-1/2 inch 56-frame pump applications

Universal base replacement for compatible OptiFlo pump models

The Sandstorm TM26 fit gives this part practical value because structural filter components work best when they match the original assembly geometry closely

A jacket panel is useful because it helps protect internal components while also contributing to the finished appearance and enclosure structure of the heater

Helps restore leak-resistant faceplate support

Pentair PacFab/Sta-Rite Volute Square Ring O-506 (355329Z) danner The Waterway 311-1210 Executive faceplateThis 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 directed 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