Waterway Renegade Vinyl Liner Skimmer Trim Plate Faceplate Cover [Gray] (519 9527) skimmers The 1 1 2 inch slip format The 1 1 2 inch slip format and lighter spring setting give this valve practical value because check valves work best when the replacement matches the original plumbing size and operating characteristics closely The Waterway 229 7957S Mini Storm jet internal is designed for compatible threaded jet assemblies and features a 3 inch face diameter with twin roto action Helps restore the visible front opening trim Trim plates are especially practical when the structural skimmer body remains serviceable but the outer visible cover has become worn