Pentair IntelliChlor O-Ring [Qty 10] (521147) lightingbulbs 5" Spg x 2"s x

5" Spg x 2"s x 2" NPT] is a Waterway Plastics skimmer replacement part for compatible skimmer assemblies

more efficient service process

Return fittings are useful because they help shape circulation flow at the point where water re-enters the pool and can also affect the finished appearance of the wall fitting location

A properly selected replacement caster helps support smoother transport and contributes to easier routine reel handling

Pentair IntelliChlor O-Ring [Qty 10] (521147) lightingbulbs 5" Spg x 2"s xPentair IntelliChlor O Ring [Qty 10] (521147) is a practical option for Pentair repairs where compatibility, clean fit, and dependable operation matter. This seal helps maintain watertight compression around the connected assembly and protects against pressure loss. It is especially useful for salt chlorination systems that rely on matched cells, wiring, seals, and power components to keep chlorine output consistent.. Supports compatible Pentair