13 year old Grundfos SQFlex 11 SQF-2 pump hanging at 200 ft
Over the past few weeks the output has been declining. Static level in well is the same. Power input is the same. Now the pump is having trouble running until water comes up the well and if it has to push up any elevation it kicks off. Cu 200 shows wattage going up, as pump starts, pump kicks off, then as long as I am pumping level or downhill the wattage comes back up and the pump operates. Something is failing, I've ordered a new pump and control unit and will pull the pump and replace the unit. We are very remote and a fair number of animals depend on that well so having some equipment on the shelf is prudent. Anyone have any thoughts or experience with what might be happening. Also from looking at the the service manual these pumps can be rehabbed?
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