Low pressure
Hello,
The other day I noticed my cleaner (Navigator) was not moving. I also saw that the filter pressure was much lower than normal. I had back washed a couple weeks ago and it dropped to 12psi as is normal, when I checked it after realizing the cleaner was not moving it is at 8psi which is way below normal.
Am I correct in my thinking that this indicates a suction side blockage? I moved the valve that splits the suction between the cleaner and the skimmer so that more suction is going to the cleaner and it will move but the pump noise increases dramatically like it's working much harder to move water.
Any advise on where to look first ?
Also, is the increased noise from the pump caused by cavitation ?
Last edited by Phillbo; 03-08-2010 at 12:11 PM.
14'x31' kidney 21K gal IG plaster pool; SWCG (Saline Generating System's SGS Breeze); Pentair FNS Plus 48 DE DE filter; Whisperflow 1 HP pump; 8 hours hrs; kit purchased from Ben; utility water; summer: none; winter: none; PF:5.7
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