Pentair Sta Rite GW9500 Cleaner Lift Brush (GW9517) chemicalfeeders This 15 foot external freeze This 15 foot external freeze control sensor cable is designed to provide the necessary reach for compatible Balboa systems that monitor ambient or external conditions as part of freeze protection strategy This Waterway assembly is especially practical when the original Renegade skimmer top needs a more complete cosmetic and functional refresh Restoring the brush surface helps the cleaner interact with dirt and sediment more consistently while supporting the cleaner’s normal movement path It is a practical maintenance part for keeping an older cleaner performing closer to the way it should