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Answered 2009-08-23 08:52:36

Cleaning the filter will lower the back presure. or else a hole in a cartridge filter will also do it.

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High filter pressure is cause by one thing. (resistence to flow) This can be as simple as a dirty filter. Clean filter or backwash, You may need a new filter element, or new sand and to clean a de grid. The other reason would be poorly plumbed piping (to small hydrolics)


Clogged Skimmer, Strainer or filter cart's. Check pressure meter...the lower the better. High Back pressure indicates a need to clean filter. Try a back wash and filter cleaning.


What is a normal operating pressure for a jacuzzi sand filter for an above ground pool?"


when the pressure is high on filter mode it usually means that a backwash is required.


Usually the pressure gauge on your pool equipment indicates how much pressure there is before the filter. as the pressure goes up it indicates that the filter is getting blocked and needs a backwash or cleaning. while the pressure is low the filter does not need cleaning.


A pool with a sand filter or for that mater any filter is set up to push water through the fitter to be filtered. when the filter is clean the gauge in front of the filter Will have a low pressure reading. As the filter gets loaded with more of the dust and dirt that comes from the pools water it becomes harder for the water to pass through the filter and the pressure on the gauge goes up when the pressure get high on the gauge it is time to backwash the sand filter or to clean the cartridge filter. When the pressure on the gauge is high the suction from the pool is low. When the suction from the pool is low even when the pressure on the gauge is low there may be a problem with the pump, or a blockage between the pump and the pool, To increase the amount of pressure on a clean filter the only thing that can be done is to enlarge the pump.


The pressure gage on you rswimming pool FILTER should be around 8 to 12#'s. There is no pressure gage on or in a swimming pool. The pressure gage would be on the top of your filter .. . that's the large tank with up to 2" pipes plumbed into it, located next to the heater and the pump - the small pot with a motor attached to it.


It could be as low as 8, or 10, 12, the pressure could even be lower depending on your filter size, the lower the pressure the cleaner your filter media is the higher the pressure say 17, then you need to back wash or change the media, if you are not using sand.


The cleaning schedules varies from filter to filter, but a general guideline on any swimming pool filter is to take a reading when the filter is clean, then clean the pool filter when the pressure rises about 10 psi.


The lower the pressure the less work the filter is doing, 7 to 10 psi is a good pressure. Another tip would be to put your hand by the outlet where the water goes back into the pool if the water pushes your hand away you have good pressure also take a pressure reading at the filter, if you put your hand at the outlet and the water does not push your hand away take a pressure reading, backwash the filter, put your hand at the outlet again if it pushes it away go back to the filter look at the gauge and see what it reads now, and that would be your suggested low pressure for your filter.



The lower the better some run around 9 psi with new filter media, as the filter media gets old the filter has to work harder so the pressure will go up in the filter, so what you need to do to see if you filter is running ok, is to simply take your hand and place it in front of a inlet in the pool if it pushes your hand away you have good pressure take a reading at the filter and see what you have. If it does not push you hand away you will have high pressure at the filter and filter media may need changing or the filter may need backwashing, we have people who refuse to put a new pressure gauge on their filters they say they cost too much, and that's how they check their pressure.


Backwash the filter when the pressure increases 10 psi above the pressure when it was clean


Clean the filter, enlarge the filter, enlarge the pipes coming from and or to the filter, enlarge the pool pump, If you have a cartrige filter put another one in paralel next to it.


If I was to make a guess, I would say if you have not tried backwashing the filter, then it is time to change the filter media inside the filter.


A clogged filter? The pressure AT THE GAUGE will drop after the pool is backwashed and also during vacumning. As the filter becomes clogged the pressure AT THE GAUGE will increase. The opposite effect occurs at the inlet eyeball.


Your filter needs too be purged, after you purge it your pressure will go back up,


I suppose. Was that the pressure when the filter was new of very clean? No 2 filters will be exactly the same.


I think when it happens when the pool starts to turn green


The pressure gauge that is set up in front of the pool filter is there to show you when the filter needs cleaning or back washing. when the pressure gets high it indicates that there is too much dirt there for the water to pass efficiently, Cleaning it at this point will reduce the pressure and make the water flow better through the filter


As the filter gets clogged it restricts the flow of water and the pressure in the return line drops. The pressure gauge on the filter itself indicates the entry pressure and that will go higher as the filter becomes clogged. Don't ever allow the pressure to reach 40 PSI. Back-washing the filter should restore the pressures. Pool Masters


You can not measure the pressure in a swimming pool. If you mean the pressure on the filter tank gage then you may have to backwash the filter. Talk to your local pool store for instructions as how to maintain a swimming pool and the equipment. Get some education on swimming pool maint. before you get into some real trouble. A pool is not too forgiving for someone without a basic knowledge of pools.


It is not possible to have a pressure level on your swimming pool! However the pressure on the filter gage could run anywhere from 5# to 35#


Let me say first backwashing is a process for simply ridding the filter of dirt, once you backwash the pressure and cleanness of the filter will begin to collect and store more dirt from the pool, Look at the gauge at the filter remember the pressure or write it down as the pressure goes up the flow of water going back to the pool will go down to the point that very little water will go back into the pool. When the pressure is low the water flow from the filter will be high meaning that the filter is not clogged or dirty.


This is what your filter gauge will read when it is first start with a new and clean filter cartridge / D.E. or sand.



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