Waterway Threaded Sleeve For Split Nut Sand Filter [R3] (505-1960) leviton this Waterway notched air control

this Waterway notched air control is a practical replacement for restoring adjustable air management with a clean finished look

This replacement is especially useful when the original transformer has failed

the skimmer can look and feel less complete than it should

A fitting like this is useful because it helps form the proper plumbing pass-through at the wall while preserving a clean

Waterway Threaded Sleeve For Split Nut Sand Filter [R3] (505-1960) leviton this Waterway notched air controlThe Waterway 505 1960 threaded sleeve is designed for compatible split nut sand filter applications and is identified as the R3 version. A part like this is useful because it helps restore the threaded connection structure used by the split nut assembly, supporting cleaner filter reassembly during service or rebuild work. Threaded sleeves can be important in sand filter maintenance because they help preserve the fit and engagement of related hardware.