Quote Originally Posted by mshumack
It is alos dangerous to have this build up of air in the filter. You should run the pump and open the bleed until a steady stream of water comes out. Once the flow is steady close the bleed valve and your done.
What about if your filter does not have an air-bleed? I just bought a Haywood S244T, which does not have a bleed on the multi-port valve. It does sound like there is air in there, but I have no way to bleed it out.