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What is wrong if there is very little pressure when you turn on the pool filter?

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2006-07-08 19:56:41
2006-07-08 19:56:41

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

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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.


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 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.



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.


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.


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#


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


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


The pressure increasing indicates that something is blocking the filter.


Nothing if its a sand filter However if sand is coming into the pool from the filter then you may have to replace one ore more laterals in the sand filter as they have worn and are letting sand through to the pool,


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 mean on of a few things, either A) There's air in the system building up pressure in the filter, open up the bleeder valve and let all the air out until you get a steady stream of water coming out, this should reduce your pressure. B) You could have a clog or obstruction of some kind on the back end of the system, going from the filter to the pool, check that out, or 3) The Filter may be very dirty and therefore be ineffective, clean/backwash the filter to solve this problem.


A swimming pool filter can be dangerous because it operates under pressure and can explode.A fastener secures the top of the filter but in some cases the fastener can fail and allow the filter to top to blow off.


Just let your filter get dirty and the pressure will increase. To increase the flow rate from the norm a bigger pump will be required.


The best way to determine this is to backwash the filter and see what the pressure is at that time. Then go 7-10 PSI above that and this will be your pressure to watch to tell you when to clean your filter.



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