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I'm not sure if this is a brand specific question, or a general question, but I'll throw it out there:Lately my diverter valves are really hard to move when the pumps are on. If i want to put all the power completely to one side, I have to turn off the pump, move the diverter, then switch it back on. This is getting to be a real pain, and is NOT relaxing! I can move it a little with the pump on, but not easily, and not all the way. There are 3 pumps ana three diverters: all of them are hard to move, but pump #1 is the worst, and it is the most powerful of them. Is there something I can do at home to fix this? Should I just contact Arctic?