Saturday 20 February 2021

Pump problem...don't know where to start

I'm still having trouble with my pump (an older Pentair Whisperflo single speed). I made a video which should show everything:

Symptoms: low pressure in the filter (under 10 when it used to be 15-20). The filter and skimmer and pump basket have already been cleaned. Very low suction in the skimmer and with the pool vacuum. Water bubbles in the return lines. I've tried adjusting the valve going into the pump to 100% skimmer, 100% side port vacuum, or 50-50...

Pump problem...don't know where to start


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