Razvan Posted May 25, 2011 Report Share Posted May 25, 2011 Hello everyone, I'm am new to this forum and pools. I start taking care of my mothers inground pool. The size of e pool is about 40,000 gal. I am having problems when I connect the vacuum to the pump to clean the bottom. The vacuum barely move and the pressure gaug on the sand filter shows almost no pressure. If the hose is remove from thewater intake which also serves as a skimmer, the pressure shots up to about 15psi. I have tried to disconnect only the vacuum and left the long hose in the water thinking maybe the vacuum is no good. The pressure remained low. Any suggestions why the pressure is lost when the vacuum and hose is connected? Thank you. Quote Link to comment Share on other sites More sharing options...
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