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Ask Machinc Your Own Question
Machinc, General Contractor
Category: Pool and Spa
Satisfied Customers: 911
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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When I turn off my pump water blows back through the skimmer

Customer Question

when I turn off my pump water blows back through the skimmer probably 10feet high what do I need to fix it
Submitted: 2 years ago.
Category: Pool and Spa
Expert:  Machinc replied 2 years ago.
I will have your answet in one moment
Expert:  Machinc replied 2 years ago.
This is usually caused by an air leak.
When the pump cuts off air builds up pressure and blows back the water like a geyser.
A first place to check is the skimmer basket lid.
You have probably been having problems like the pump loosing its
I will be glad to answer any questions you may have Customer
Expert:  Machinc replied 2 years ago.
NOTE: Other causes
Cracks in the air intake hose lines
A bad pressure relief valve.
You can remove and test.
If you can blow air through it (with your mouth) it is defective

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