Hi, I have a Polaris 280 that's about 18 months old. I have problems with tangling of the hose sometimes and it is generally due to the backup valve pulling the unit along the side of the pool and then hanging on the hose connection/outlet. I've made several adjustments to the floats and swivels to minimize it, but it still happens occasionally.
Just last week at was at my father's house and he has a much older Polaris 280 (several years old). His backup valve only pulls back for about 15 seconds vs mine that reverses for close to a minute. It appears that neither unit is adjustable.
My question is whether anyone knows if the timing on the reverse valve has changed over time and if it is possible to disassemble it and adjust it manually. If I could reduce the time, it would work much better for my pool. Thanks!