Polaris Zodiac 360 In-Line Backup Valve [Black] (9-100-1201) plugs A valve like this is

A valve like this is useful because it helps restore shutoff or flow-control capability in the plumbing line while preserving the original connection format

Use this item when repairing

Replacing the stand can help restore structural support without requiring replacement of the pump itself when the main assembly remains serviceable

The AquaStar Wave 12 inch square main drain cover with frame in light gray is designed for compatible VGB applications where the complete top drain assembly should be replaced as a coordinated set

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Polaris Zodiac 360 In-Line Backup Valve [Black] (9-100-1201) plugs A valve like this isThe Polaris Zodiac Backup Valve [360 In Line Blk] (9 100 1201) is a replacement backup valve for compatible Polaris and Zodiac pressure side pool cleaner systems. This component helps the cleaner periodically reverse direction and free itself from obstacles, helping the cleaner maintain reliable movement throughout the pool. A failing backup valve or related backup valve part can cause the cleaner to stall, stay in one area, or lose the movement