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Clogged filter or if it is an older pool it could be a warn impeller (the thing inside the pump that moves the water. It could be clogged pipes from built up debris. If you remove the jest you can check for built up debris as It will generally collect behind the jets. another thing is a break in the line that would relieve the water pressure and thus less pressure at the jets. lastly your bypass valve having an internal leakage or not fully engaged.
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∙ 12y ago
Wiki User
∙ 15y agoLow pressure on the pressure guage before the filter indicates that the filter is clean. That is assuming that the filter is not damaged and letting water through unfiltered. As the filter collects more dirt it becomes harder for the water to pass through the filter and the pressure increases. When it gets too high you need to clean or backwash the filter.
Wiki User
∙ 11y agoIt's hard to answer without some troubleshooting. The first thing likely is a bad seal in the valve. First look to see if water is coming out of the waste line where water comes out when you backwash. You will also be losing water if that is happening. You could also have leakage to other sections that will recirculate and you won't see water coming out of the waste line. Check the skimmer basket. If it is full it will not let sufficient water into the pump. Check the clear pot going into the pump. Is there air mixed with the water there. If so there is probably a bad seal on the cover, a plugged line between the skimmer and the pump or a skimmer full of trash. there can also be a leak inside the filter letting it bypass the filter media. Also check the gauge to make sure that it is accurate. They are cheap and easy to replace. There is a small curved tube inside that can become distorted by age or freezing.
Wiki User
∙ 10y agoThere can be several causes but as a starting point check the pressure gauge. These are inexpensive and they do fail after a while. Just replace it with a new one and see if the pressure readings return to normal. IF they do it was the gauge. If they don't then check for channeling in a sand filter, a ripped or damaged or improperly seated cartridge in a cartridge filter, and worn or torn grids or damaged fingers in a DE filter. IF it was not the gauge then you now have a backup gauge for when it does fail (and it will!)
Wiki User
∙ 17y agoYour filter needs too be purged, after you purge it your pressure will go back up,
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Why do you not have any pressure coming out when your sand filter pump is in filter mode?
Probably because it is clean, leave it on the filter setting for a while and you will find that the pressure will increase as the filter gets dirtier, when it get high (usually in the red ) you will have to backwash.
Why is my Pool sand filter pressure to high on filter mode?
when the pressure is high on filter mode it usually means that a backwash is required.
Does a hayward sand filter require a liner at the bottom of it before adding water and sand?
My Hayward sand filter doesn't have a liner. I just add the sand to the pressure vessel.
What is the normal gauge pressure for a 16' x 30' ingroung pool?
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.
What is the base pressure for a filter on a pool?
This is what your filter gauge will read when it is first start with a new and clean filter cartridge / D.E. or sand.
Why is my SAND filter pressure increasing so quickly?
Possibly you are in need of new sand or you can go to the pool shop and ask if they have a chemical sand cleaner.
Is low sand in pool filter bad?
It depends on what you mean by low. You need to check your filter's manual, and see what level it SHOULD be. Lower than that, usually means you are losing sand into the pool (you'll know!) or when you backwash (because the pump is too big for the filter.) If you are losing sand, you need to correct the cause and then add more sand, after you've resolved the problem.
What is the proper psi for a sand filter pool pump?
Depends upon your starting pressure and pump type. Generally however you want to keep your max pressure at about 8-10 psi above your first time running the filter or your most recent sand change, if it goes above this run a backwash and a rinse cycle if it still persists at a higher pressure it's time to replace your sand.
Why does the pressure on your sand filter go up when on filter and volume gets lower and when on recirculate pressure goes down and volume goes up?
Because When the filter is on the water is being pushed through the sand, this brings about a buildup of water pressure in front of the filter and a reduction of water able to get through to the returns. If the filter gets dirty the pressure gets even higher. When the system is set on recirculate the water bypasses the filter so there is no pressure in front of it and as a result of this it is able to move through the system more easily.
Why is the Swimming pool pump low pressure?
YOu probably need to release air pressure or backwash. The pressure builds up because the flow is inhibited. Is the return weaker than normal? It is usually sediment on top of the sand that is impeding the water flow and backwashing will push the water up through the sand and out to waste. this will clear the sand and allow water to flow better. Good Luck This does not indicate what type of filter you are using. The above answer assumed a sand filter, so I will address a DE filter. Pressure will build up in a DE filter when the grids inside the filter itself need to be cleaned. This should be done on an annual basis, but sometimes needs to be done more frequently. For example, when I used flock (an additive that causes small particles to clump together and sink to the bottom where they can be more easily vacuumed), this caused my grids to be clogged. (Note that the lesson I learned here was to use liquid flock not powder). Another way to reduce pressure is to add more DE. To do this, backwash your filter until the water is completely clear. Turn the pump valve back to filter mode and turn the pump back on. Pressure should be low at this time. Begin adding DE through the skimmer. I usually use 2-3 scoops (my scoop is about size of a small coffee can). Pressure may still rise a bit from when you first turned the pump back on, but it should stay lower than before you added the DE.
Should Mitsubishi gt3000 have low oil pressure?
In short, NO. Check your oil level and viscosity, or just change your filter and oil to be sure. Low pressure can come from a clogged filter.
Why is the pool pressure gauge so high?
Depending on the type of filter it needs to be cleaned or backwashed. Cartridge filter: Hose off. If pressure does not go down buy new cartridges Sand filter: Backwash, if pressure does not go down replace sand DE filter: Backwash, if pressure does not go down remove element from tank and hose off and or acid wash. Also... always make sure you gauge is working
