Have a 15 x 30 above ground pool to horsepower two speed water pump and sand filter. Hadn't noticed it before because I thought it was the timer going off during the time I get home from work. Yesterday I noticed that after about three hours of the pumping on, the pump continues to run but the water stop circulating! If I flip the switch and turn the pump off and then back on, the water start circulating again.
Any idea why this would be happening and how to fix it?
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