This skimmer is commonly found on permanent inground spa installations. It will replace the Jacuzzi SV skimmer and the Hayward wallmount skimmer. Plumbing connections are 1.5 inch slip or 2 inch spigot.
Hole size, 5-1/2" h x 5-3/4" w. Face dimensions, 7" h x 7-1/2" w. Plastic trim plate (key #4), 7-3/4" h x 7-5/8" w