The basics of swimming pool maintenance.
New swimming pool owner's questions.
Help getting started with daily pool care.
Pool Newbie
Pool Newbie
Posts: 1
Joined: Fri 15 Apr, 2016 15:44
My Pool: In ground pool. 18X36. Vinyl with a Hayward sand pump.


Postby 2193 » Fri 15 Apr, 2016 15:50

I have a Heyward sand filter and the PSI is around 23. Is that normal? I've been having trouble getting strong suction in order to vacuum. I did backwash and still had the same suction problem. The PSI did go down a little bit.

Thank you,

New pool owner

Swimming Pool Superstar
Swimming Pool Superstar
Posts: 856
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom


Postby Denniswiseman » Sat 16 Apr, 2016 10:58

I don't thing there is an exact pressure, it depends on your pump and system
If you do a good backwash (run till the sight glass shows clear)then note the PSI and that will be your base point. As the filter gets clogged the pressure increases
Regarding your suction when vacuuming check for air being sucked in through the pump strainer "O" ring (lubricate with silicon grease or vaseline.)
Borrow another vacuum hose that is working OK and try that in your pool (there may be a split or hole in yours sucking in air)

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