air in pump

  1. MermaidMama

    Pump bubbles

    Hi everyone!! Would really appreciate any help you can give... My 1.5 hp pump broke yesterday for my 18 foot above ground doughboy pool. I ran out and got a new Hayward Powerflo Matrix 1.5 hp pump. Connected and cannot get the pump to run without bubbles now. I have a 150lb sand filter that ran...
  2. H

    Air bubble under pump cover

    This is my 5th year opening a pool and the first time an air bubble slowly develops under the pump cover. What I have done to fix so far: 1) All new plumbing- fittings and ball valve, connected to pump 2) new o-ring and lube under lid. To be honest, I'm so new to this, didn't realize lube...