Question about Sta Rite STA-RITE IMPELLER 2HP FULLRATE & 2-1/2HP UPRATE, C105-238PEB

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I have a hayward 1hp pool filter/pump with the low pressure. I have tried everything i know from cleaning the fingers to checking valves/i just can not keep the flow strong. What do i do?

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  • A Miller Jun 05, 2010

    You don't mention what your pressure is ... are you getting sand into your pool? I would expect you should have around 15 lbs in a freshly cleaned filter. Do you have the proper amount of sand in the filter? Is your filter not cleaning the water? Low pressure is not necessarily a bad thing ... unless it is really low indicatind a very dirty sand bed with 'channels' in it. When was the last time you changed the sand? Does it have filter media sand or beach sand. Very important that you have swimming pool filter sand in the filter.

  • KEN LaPOINT
    KEN LaPOINT Jun 05, 2010

    can you give a bit more detail about your pool? Are you around trees? Do you have to deal with debris in the skimmer? thanks

  • Stephen Dorje
    Stephen Dorje Jun 06, 2010

    Did you install a revamp kit? Air in pump basket when runnign?

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Have you cleaned the filter?

Posted on Jun 15, 2010

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There may be a calcium build up on the fingers, and just cleaning them will not remove the calcium. I would disassemble filter again, then give the fingers an acid bath. Mix about 50 -50 muriatic acid and water and let elements sit in a bucket with the mixture for 15 or 20 minutes, then reassemble and see if this fixes problem. (the quick test is to let the pressure get real high, than add some acid to the skimmer and see if that lowers the pressure at all)

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