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Ok. In the past, the PSI would easily increase from 20-30 without any significant loss in output. Using the aerator, pop-up heads working etc. Now, with an increase of 5 or so in PSI, I see a drop in output AND the PSI does not ever increase 10PSI. I think I mentioned, but will state again...

That does make sense Jason, however, I'm still trying to figure out what changed from last summer, even this spring, to make the pump behave differently. I want to make sure it's not the pump while I still have warranty left. I've tried Hayward, but end up having my work calls take priority...

I have always been told to backwash once the PSI increased 10 above starting point. The pump, up until this mess has always reached 10psi above starting point without any real loss of flow, as evidenced by the aerator test (my term), and the pop up heads continuing to do their job. So...

Thanks Jason. Lots of views, but no other input. Did a thorough cleaning almost a week ago, starting to slow down flow again, but pressure is moderately increased (about 5) at best. Will be calling Hayward today to see what they can offer. Seems to me that if it's a plugged/full filter...

I don't think you are missing anything, but I will add some more context. I have never had this happen with this pump prior to the last 60 days, or with a single speed pump over the last 10 years. The water was/is clean, no storm or excess debris and then it starts losing performance. No...

I am at a bit of a loss as to what to do. I've read many, many posts and comments and have tried multiple steps to fix the problem. 15k gallon in ground 48sqft DE filter - new grids last fall, cleaned and backwashed (2 times in last 60 days) In floor cleaner Waterfall Purchased and had...