Waterway In-Ground Gunite Skimmmer Complete [2 Port] [2-1/2" Spigot] (540-6410) pleatco and FC-9840 reference give this

and FC-9840 reference give this part practical value because DE components work best when the replacement matches the original grid layout and connection style closely

Topside panel for compatible Balboa VL700S spa applications

Matching the correct 3/4 inch orifice and 3-3/4 inch face diameter helps preserve intended fit and dependable return performance

union size

Waterway In-Ground Gunite Skimmmer Complete [2 Port] [2-1/2" Spigot] (540-6410) pleatco and FC-9840 reference give thisThe Waterway 540 6410 in ground gunite skimmer is a complete assembly designed for compatible 2 port installations and features a 2 1 2 inch spigot connection. A complete skimmer like this is useful because it restores the full skimming assembly in one replacement, making it a practical solution when the original housing and related components need broader renewal rather than piecemeal repair. Gunite skimmer assemblies need to match the original