I have a Hayward sand filter for my above ground pool. After reconnecting after the winter, the psi is about 15. The specs say that if the psi goes above 6-8 psi I should backflush.
I tried backflushing, but it remains at 15 psi. Is this ok? What should I do?
High PSI
Re: High PSI
blechz wrote:I have a Hayward sand filter for my above ground pool. After reconnecting after the winter, the psi is about 15. The specs say that if the psi goes above 6-8 psi I should backflush.
I tried backflushing, but it remains at 15 psi. Is this ok? What should I do?
Are you sure the gauge is working correctly? The "stock" gauges are crap and often rust out in one season. I'll bet that's it.
I have a Hayward and I belive my intructions said to mark what the pressure was at initial start up. ( Mine was 8 lbs) When the pressure rises 8 to 10 lbs higher than start up it is time to backwash. But dont do it too early because the dirtyer it gets the better it filters. So I backwash at 20 lbs. Thats just me though. I hope this helps. Oh also I think I rember that it has a 50 lb max, so iI personly will not let it get to 40.
Smacktalke wrote:I have a Hayward and I belive my intructions said to mark what the pressure was at initial start up. ( Mine was 8 lbs) When the pressure rises 8 to 10 lbs higher than start up it is time to backwash. But dont do it too early because the dirtyer it gets the better it filters. So I backwash at 20 lbs. Thats just me though. I hope this helps. Oh also I think I rember that it has a 50 lb max, so iI personly will not let it get to 40.
You are correct on the 10psi differential backwash, but I wouldn't let it go much higher. Not that it will damage anything, but your flow will be reduced so much that you reach a point of diminishing returns. You are filtering better, yes...but your turnover time goes through the roof.
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