Polaris Zodiac 360 In-Line Backup Valve [Black] (9-100-1201) plugs or no longer sealing and

or no longer sealing and fastening with confidence

The 621454 is a practical service part when a compatible Waterco top or side mount valve needs its cover sealing restored with the right square ring

or worn connections in the cleaner hose line

This replacement is especially useful when the original terminal block is cracked

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Polaris Zodiac 360 In-Line Backup Valve [Black] (9-100-1201) plugs or no longer sealing andThe 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