Replacement kit to restore efficient pool cleaning - Function and purpose Replaces the old vacuum plate and flat adapter arch with a purpose-built replacement kit designed for pool cleaning tools. Helps restore cleaning efficiency and proper suction path. - Compatibility Wide model support: works with models 8939, 8939G, 8939A, 8939AG, 8940, and 8940G. Designed for seamless compatibility with a variety of pool skimmers. - Connection and fit Vacuum elbow accepts hoses of 1-1/4 inch and 1-1/2 inch diameter for easy connection to your existing pool cleaning equipment. - What’s included Replacement vacuum plate and flat adapter arch kit designed to fit the specified models and skimmer setups. - Performance benefits Improves cleaning efficiency by ensuring a secure fit and correct alignment of the suction pathway within the cleaning system. - Size and installation notes Hose compatibility covers standard 1-1/4 inch and 1-1/2 inch diameters to accommodate common pool cleaning configurations. - Use scenarios 1) Worn or damaged vacuum plate and flat adapter arch: replace with this kit to restore suction efficiency and cleaning performance. 2) Upgrading an older cleaning system: compatible with models 8939, 8939G, 8939A, 8939AG, 8940, 8940G to maintain effective operation with a range of pool skimmers. 3) Seasonal maintenance: replace components during maintenance cycles to keep the pool cleaning system performing consistently with compatible hoses and skimmers.