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    1hp AGP Hayward won't pump over 14psi

    Thanks guys! I understand the cause of higher PSI. My question pertained to the max psi attainable for my pump. I did plug the eyeball and psi went up momentarily to 16psi, but then down to 14 when blocked, and 10psi when released (clean filter). Should I consider getting a new guage or does...
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    1hp AGP Hayward won't pump over 14psi

    Thanks, but shouldn't that pump be able to produce more than 14 psi? Or am I understanding it wrong? Initially I put in 4 cups of de to see a 1psi raise, then I did 2 cups, now 0 cups and it flows good, probably try 1 cup next. Still why no flow at 14psi?
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    1hp AGP Hayward won't pump over 14psi

    Hey guys, recently purchased a 10 year old pool setup and after cleaning sand filter pressure is about 10 PSI, however when it builds to 14 PSI it loses almost all flow (I've been experimenting with DE in the sand filter). Just wondering what that pump should be able to produce in terms of...