Pentair Admiral S15 Concrete Skimmer Complete 2" FPT Circular Weir (84120200) aosmith A nut like this is

A nut like this is useful because it helps hold the cover in place

Hayward rectangular gutter drain

and this Balboa TP700 Topside is designed for compatible applications where the original panel has become unreliable

The Hayward hose barb service kit is designed for compatible plumbing applications where hose-barb connection components need to be renewed together

Pentair Admiral S15 Concrete Skimmer Complete 2" FPT Circular Weir (84120200) aosmith A nut like this isPentair Admiral S15 Concrete Skimmer Complete 2" FPT Circular Weir (84120200) is a genuine Pentair Admiral S15 concrete skimmer assembly designed for pool installations that require a complete skimmer solution with a 2" FPT connection and circular weir. The skimmer helps draw surface water and debris into the circulation system for cleaner pool operation. This complete assembly is useful for new installations, renovations, and replacement projects