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2008-07-12 20:09:16
2008-07-12 20:09:16

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

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Around 10 PSI if you have a 2 horsepower pump. It will vary, depending on the restrictions in the exit line. Pool Masters


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


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 pressure gauge will generally read 10 PSI higher than when the filter was clean. In any case do not let the filter gauge go above 40PSI.


There is no "real" normal. Pumps can show pressure readings around 10 psi (usually the minimum) to 20-25 psi. I have opened my pool one spring with a pressure of 10 psi and the next year open the pool with a reading of 15 psi. Nothing is wrong with the pump or filter as I get good flow in the outtake and the debris sight glass (on the filter) is crystal clear. A good solution to ensure proper pressure would be to "baseline" your reading on opening of the pool. It it reads, for example: 10 psi, this would be your baseline reading. Keep a watch of your gauge. Make sure when your pump if off, your gauge should show a reading of "0". If it increases to 15-20 psi during operation, it's time to back flush. Your pressure gauge is an excellent tool which will tell you when you should back flush....


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.


Maybe. One other alternative is that the sand in the filter has become "channeled", that is, the water has worked open "holes" in the sand and is streaming right through (without really going through the sand). Try a good backflushing, that usually fixes the channeling, if that is the problem. If still zero pressure, then try replacing the gauge. Hope this helps... I think your gauge is defective. Filter channeling will provide poor water filtration. Backwashing should be part of regular pool maintenance. Check pressure after backwashing. When the pressure rises 5 or 10 pounds it is time to backwash again. Keep in mind that as the pressure increases the filter becomes more effective at removing particles but also allows less water to be filtered. Never allow the pressure to exceed the manufacturers maximum pressure rating for the filter. Get a new gauge. They cost a lot less to replace than a burst filter.


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.


Every pressure gauge is different, and are generally unreliable to accurate to the actual pressure. Pro Tip: Clean the Grids very well (or install new grids or on a new installation) Have a sharpie or some fingernail polish. Turn on pump.....after few minutes.....mark what this "current" gauge is showing as the "Clean" pressure. Then mark 10 PSI higher. When the pressure reaches the 2nd mark.....that is 10 PSI higher, that is when it is time to clean your Grids.........same procedure if you have a sand or cartridge filter.


Once the pressure guage reads 10 psi above clean filter psi


If you have 36 ft. x 16 ft. pool I would run the filter and pump 24 hr a day and backwash when ever you have a 7-10 psi raise on filter pressure gauge. All commercial pools run 24 hr per day. If you want sparkling clear pool I recommend that you do the same. john www.unblockabledraincovers.com


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.


A sand filter will generally require a sand bed change once every 7 to 10 years. It may be less depending on various factors. Should the pressure gauge on the filter read 10lbs higher than original start-up pressure (when the filter was first installed), backwash the filter. Should the pressure gauge still read 8-10lbs higher (after backwashing) than the original start-up pressure, this is a good indication that the sand bed requires replacement.


I have a 10 x 30 pool but i don't seem to need a pump and filter!


All filtration systems have a recommended operating pressure. It's probably listed on the label of the filter. Generally speaking, a clean filter will operate at between 10-15 PSI. When the filter reaches 10 PSI over the starting clean pressure, it's time to clean the filter. Remember, a slightly dirty filter actually works better than cleaning one too often. thepoolandspawarehouse.com


You need to backwash only when your pump pressure is 15 or 20 psi above the normal pressure rate.To backwashTurn OFF the pool pump.Turn pool control handle to "backwash"Turn ON the pool pump. Watch for the dirty water to flow until it becomes clear. (Most filters have a clear bubble on the side that allows you to see the water as it flows out of the system)Turn OFF the pool pump.turn the handle to rinsestart the pump again for about 10 seconds or until the water in the bubble is clear.Turn the pump of again.Return the filter handle back to the filter position.Start the pump up againcheck that the pressure in the gauge has dropped considerably and if it has you once again have a clean filter until the pressure builds up again.Note : When you backwash a filter, you drain allot of water from your pool.According to my directions: Let water turn dirty and then clear up and no longer than 3 minutes. And after every vacuuming.


Pressure can vary greatly from one system to another. It's best to record pressure immediately after cleaning the filters. This will be your base pressure. When the pressure rises 10-15 psi above the base rate, it is time to clean the filters.


Attach a fuel pressure gauge before the carb, crank at least 10 secs, if at least 2-5 LBs, reapir fuel inlet circuit of carb. if less, attach fuel pressure gauge before filter, crank at least 5 secs, fuel pressure should at least be 2-6 ilbs. if less replace filter. If less, connect vacuum gauge to fuel pump inlet, disconnec fuel outlet line from pump, crank at least 10 secs, should have at lest 10 lbs vacuum then check for restricted line, fuel tank vent or tank filter. If less replace fuel pump. POST YOUR RESULTS PLEASE!


The purpose of the backwash function is just to flush out the filter itself when you see the pressure gauge reading 8-10 lbs higher than the just-cleaned reading. The waste rinse function bypasses the filter and is used to vaccuum debris from the pool straight out into the yard. Use it when the debris is too fine for the filter to remove such as with dead algae.


As far as I know you run the pool filter daily between 8 - 10 hours depending on the size of your pool. This should be enough time for adequate filtration


Baking soda raises the Total Alkalinity of the pool water and is not an algaecide or sanitizer. Chlorine is the right product to use to eliminate algae from a pool. Bring the pH down to about 7.2 and add several gallons of 12% chlorine with the filter running. You will probably need to rebalance the pH after adding the chlorine as the chlorine is quite alkaline. Run the filter till it clears up, you may need to brush the pool several times to dislodge algae clinging to the pool surface. Depending on the size of the pool and how bad the algae is you may need to add anywhere from 4 to 10 or 15 gallons of chlorine. Watch the pressure gauge on the filter as that may need to be cleaned a time or two as well till the pool clears up.


Unfortunately that system doesn't have a test port so you have to tap into the fuel line at the fuel filter in order to install a fuel pressure gauge. It will require adapters, hoses and the fuel pressure gauge. Once you have a gauge installed, with engine off, you cycle the ignition key on and off several times until the pressure has peaked, it should read between 41 to 47 psi.


Check the reading when the filter is clean, it should be around 10-20 PSI depending on the horsepower of your pump. Higher is not always better because it takes more energy. As the filter get's clogged the reading may go up to 15 or 30 PSI, at which point you will have to backwash. Hatawa


Test with a mechanical gauge to accurately detemine oil pressure Could just be a defective oil pressure sensor


when you back wash the pool you need to run Rinse for a little while before you return it to filter.Note turn of pump when changing settings.* Backwash Runs pool water from your pump over the filter media and out to waste. This removes dirt that has been collected during filtration. A backwash is required when your pressure rises about 10 pounds over the normal pressure. Most sand filters have a clear bubble situated near the multi port where you can see the water running to waste, watch it and you will see that the water is dirty at first run the backwash until it clears then stop the pump. * Rinse Runs pool water from pool through the filter to waste further rinsing the top of the filter media. this should always be done after backwashing to stop cloudy water returning back into the pool



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