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What is normal pressure at pool sand filter when pump is running?

New house, old pool. Gauge at sand filter was not working and was replaced. What is normal? Showing about 12 psi. Approximate 18000-20000 gallon pool using a jacuzzi magnum 1HP pump. Also, where do I find a manual on the pump?

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  • Anonymous Mar 21, 2014

    At the low pressure turn on, 38 psi, the pump starts, runs for a few seconds, then stops for 30 seconds, then repeats the cycle. After the second or third attempt, the pump runs normally until normal stop, 55 psi. 3 wire 3/4 hp pump.


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This is normal pressure! As the filter becomes more dirty you will see the pressure get higher 15/20 it's time to backwash!

Posted on Jan 27, 2009

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Well pump runs continuously. 30lbs psi. But Does not turn off. Deep well pump. Dayton 5k657c

That sounds like a low pressure.
Are you sure that is the pressure? Is the gauge good?
Has your pressure been better in the recent past?
Ensure that you are not losing water somewhere that you may not have seen.
If you checked all of these things, there could be a problem with the pump or piping coming up from below.


Aug 11, 2011 | Home

1 Answer

Swimming pool pump runs at 40 I have back washed, for 4 to 5 min, and still stays at 40

It sounds like it may be time to change the sand or DE media. After time the sand and or DE media tends to get packed down reducing the water flow and increasing the pressure.

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I have a culligan n8 softener. Probably about 15-20 yrs old. Dont really have a problem with iron stains in the house and it functions well but would like the water a little softer.Any suggestions?

Your softener is a self contained unit with ingreidants that will degrade over time. If the unit is oversaturated it won't perform as it did originally. You can add external sand, carbon, etc., filters to help softener work more effieciently but, you may have to replace unit. You can try salt that removes iron, etc., Morton comes in green bags. This may improve your end result. It may be time to replace the unt.

Apr 28, 2011 | Home

1 Answer

I have a large spa and am not sure how to remove the filter as there is no manual with the spa.

I would first need to know where the filter is located in the spa. Not knowing however, let me tell you how to remove it with a couple of different ways.
if the filter is inside a skimmer opening, you will need to make sure the pump is turned off and the filter will simply pull up. there may be a hair/lint basket inside that type of skimmer that much be removed first. those are normally put in there with a twisting type action. there will be two flat sides to the basket that when lined up with the adjacent flat spots inside the housing the basket will come right out and under that is the filter.
The other style of filter is a pressure filter. This style has a lid with a ring-lock that holds a lid down. Once the ring-lock is unthreaded you can pull the lid up and get access to the filter which is just pressed down into the water.

Jan 07, 2011 | Home

1 Answer

Pressure at 15 psi after backwashing

No that is normal pressure, when the pressure rises more than 10 psi over that in a 24 hour time, you should backwash the filter. Hope this helps

Jul 13, 2009 | Home

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Sand Pool Pump dosent pump water round when on filter????

under the head that you spin for yor settings is a must take out all the bolts on the head to replace is called a spider should cost you about 8 0r 10 dollars at any pool place near you.

Jul 05, 2009 | Home

1 Answer

I just finished cleaning my swimming pool and tried to switch on the water pump but nothing happened.Then i noticed that the red trip light on the control panel was on. What do i have to do to fix this?

hi! there,
open the control panel,besure to close circuit breaker first,on control panel there is a over load protection relay,push the reset lever,then close the control panel,switch on the breaker and push the black push button to start the pump,observed if trip off again,check the cathridge filter,replace filter because the differential pressure
was exceeded the set up on pressure switch.have a nice day,don't forget to rate me,thank's

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2 Answers

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1) timer is on over ride
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