Hayward SP1090/SP1091/SP1092 Skimmer Vacuum Plate (SP11041) terminals A control knob is useful

A control knob is useful because it allows the user to adjust the feeder more easily

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

offering flexibility for various plumbing configurations

and this Gruber Dura-Flo version features a 1-5/16 inch size in white using the 13085WH reference

Hayward SP1090/SP1091/SP1092 Skimmer Vacuum Plate (SP11041) terminals A control knob is usefulThe Hayward SP11041 skimmer vacuum plate is designed for compatible SP1090, SP1091, and SP1092 skimmer systems where suction side vacuuming is done through the skimmer. A vacuum plate like this is useful because it helps connect vacuuming equipment through the skimmer while keeping the setup more controlled and service friendly. Replacement may be needed when the original plate is cracked, warped, chipped, or no longer seals or seats properly. A