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Please always start your own thread Butterfly
My QuickClean system has been in since 2005 and worked well till this year. Now the heads will not rotate after each cycle. There are 6 heads in 3 zones. After reading some of the posts above, I now wonder if the inlet valve to the impeller is too direct and somehow keeping the zone valves partly open. I say that because the heads never quite seat all the way flush to the floor and I suspect that is why they are not rotating.