Pool Pump intermittently loses prime

tedbundrick

Well-known member
Apr 24, 2019
92
Lafayette
Just noticed today that my pool pump sometimes loses prime then regains and cycle repeats. I made sure no air lock within my sand filter by releasing any air in system. Also checked and cleaned all skimmers. What is typical cause for this issue?
 
Look for a suction side air leak...

 
Look for a suction side air leak...

Any simple way to test? Otherwise may have to have someone come and check out, as a good bit of suction line from pool is under concrete
 
It is rare to have a suction side leak in the piping. The likely place is at the pump basket lid, pump drain plugs, fittings or valves on the suction side, or the skimmer weir door is stuck closed, or the skimmer basket is full of debris.
 
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