ATIE 3900 Sport, 280 Black Max F5B, TR35P Pool Cleaner Complete Backup Valve…
Fits Zodiac Polaris 3900 Sport, 280 Black Max F5B, TR35P model pool cleaners. Pull the pool cleaner out of tight places if it gets stuck. The G62 Back-Up Valve opens every 3 minutes for 30 seconds to pull the cleaner back changing its cleaning direction.