Been using a Polaris 380 with booster pump for 20 years in my vinyl pool. Never had any problems. Had to replace the leader hose that goes from the back up valve to the cleaner unit. Also replaced all the floats on the entire hose. Now the cleaner will not climb the vertical walls. Tried replacing all 3 tires but no help. Is this an issue with the hose or something else?
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That is a good question. Is the new hose stiffer than the old hose? Is the new hose curled up or straight? Be sure it is secure and in good condition (I know it's new, but be sure the new hose and the rest of the hose does not have any leaks). If yours has the football-shaped float ballast, be sure it is not full of water.
Looking at possibly replacing the backup valve. I still have the old style "football type" backup valve. Is the current new style backup valve a direct replacement or do I have to install a complete conversion kit.
My 20 year old Polaris 380 still has its original backup valve. It cycles about every 90 seconds. The new backup valves are supposed to cycle every 3 minutes. Is the new valve an improvement?
Thanks. Everything is shut down and winterized here in Iowa. Will get back at it in the spring.