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My pump is sucking air. What can I do?

My pump is sucking air.  Do you have any suggestions on where to look for leaks?  The pump basket keeps water overnight and we do not see any water around the pump.  The problem seems to have gotten worse after the resent cold spell.  Please help.

Answer:  Check the pump lid o-ring and replace it if it is over 2 years old.  If you have control valves before your pump, at the suction side, you may want to replace the stem and cover plate o-rings in each valve as well.  Finally, the male adapter that is screwed into the pump pot (where the basket sits) may also be leaking.  Get some 100% silicone glue and while the pump is running put a bead of silicone where the male adapter meets the pump pot.  If there is an air leak the pump will suck in the silicone and seal it.

Posted in: Pumps

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