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Ask Machinc Your Own Question
Machinc, General Contractor
Category: Pool and Spa
Satisfied Customers: 872
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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The return line has bubbles, does this mean the suction line

Customer Question

the return line has bubbles, does this mean the suction line has leaks
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Machinc replied 1 year ago.
I will have your answer in a moment
Expert:  Machinc replied 1 year ago.
Yes, bubbles are an indicator that there may be a leak in the air
intake line.
May also be accompanied by the pump loosing prime.
Look for leaks in filter caps also.
The pressure relief valve being worn or defective could
Also cause this.
The air leak can be anywhere in the system on the intake side and may only
be noticeable when the pump is putting out high pressure.
Look for hairline cracks in any lines.
You may need a professional to help you find a suction leak.
I will be glad to answer any questions you may have