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Sand filter keeps blowing sand back in pool. What could be the problem?

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Posted on Jan 02, 2017

  • 52 Answers

SOURCE: There's sand in my pool!

I have had this issue with several clients and before worrying, you might have had sand being drawn back into pool lines during winterization. this happens when you blow out lines, plug holes, but keeping it pressurized. if it keeps happening check draw fins on bottom of filter.

Posted on Mar 02, 2009

  • 19 Answers

SOURCE: my pool sand filter pump isnt filtering the water

could possbly be a bad gasket on the vari-flow valve. When is the last time you backwashed?

Posted on Apr 29, 2009

  • 19 Answers

SOURCE: How to change sand in Hayward S-200 Sand filter

hayward S-180 filter takes 150lbs, S-210 takes 200lbs not familur with the S-200. To change sand you have to remove the vari flow valve on top. You can either unplumb the filter and roll it over on its side and try washing the sand out or try scooping it out upright. Whatever you do dont damage the laterals on the bottom of the filter. When refilling with sand you want to make sure all the laterals are undamaged and in the down position. I always fill the filter half full of water to keep the sand from damaging the laterals while re-filling the filter with sand. Make sure you use pool filter sand and not play sand!

Posted on Apr 30, 2009

  • 6 Answers

SOURCE: Sand from the filter is getting into the pool.

u are getting sand in to your pool most likely because u have a broken lateral i nthe bottom of your filter.

Posted on Jun 09, 2009

  • 93 Answers

SOURCE: filter is shooting sand back into the water when

SOUNDS LIKE YOU ARE IN RECIRCULATE MODE TAKE HANDLE AND MOVE IT TO ALL THE POSITION TO TEST BACK WASH CYCLE ETC SAND SOULD BE FINE CHECK TO SEE IF YOU HAVE ENOUGH

Posted on Jun 19, 2009

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1 Answer

Can the filter blow sand into the pool?


If you are using a sand filter and if the plumbing is incorrect you can flush sand into the pool instead of flushing dirt down the drain. If you are using a sand filter and the sand support screen material is torn you can get sand into the pool.

Dec 05, 2014 | Pool & Spa

1 Answer

How do you know if your hayward s 200 is not running right


sand in your pool is a sign that you may have damage inside your sand filter. it is not uncommon for laterals to break during winter months. also, as the sand wears, it becomes smaller and may pass through.
remember that the filter sand is white. if you have sand in the pool that doesnt look like filter sand, you may have a problem with a broken line back to pool. keep an eye on your water level as you will lose water with this scenario

May 07, 2014 | Hayward Pool & Spa

3 Answers

Pump is blowing cloudy water back into pool


Cloudy water is the bane of sand filters!. I suggest letting filter run day and night. Do not backwash until the pressure rises 8 - 10 pounds above clean starting pressure. Do not try to vacuum or stir up the sediment. when water clears, vacuum to waste. Keep the hose running while vacuuming. A dirty filter is a better filter (up to a point). At a higher pressure the filter will trap more of the fine particles that are clouding your water.

May 28, 2013 | Pentair Meteor Above-ground 22" Sand...

4 Answers

When backwashing...sand discharges out backwash hose..


A little sand in backwash is not uncommon. Many packaged sand filter systems use pumps whose flow rates greatly exceed the flow capacity of the filter.(the more horsepower the better, right? - Wrong) If this occurs only during back flush the the pump is too strong or the sand level is above the beginning of the rounded top of tank. The sand level will eventually correct itself.

Aug 10, 2012 | Hayward SAND FILTER, PRO SERIES

1 Answer

I just finished cleaning my pool when I noticed debris around the area where my inground pool jets are. So I backwashed and vacuum that area. However, once in filter mode I noticed sand at the bottom of...


When sand comes back from the filter, that means that the device inside the filter that keeps the sand in has broken. In order to replace the item, all of the sand must be removed and the tubes must be removed and new ones installed. Go to your local pool supply house with your filter information and they can show you how to remove your old units and they will sell you new ones. You only have to replace the ones that are broken.

Gary

Aug 12, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

When I was filtering the pool the sand from the sand filter is blowing sand into the pool


That means that you have a cracked lateral in your pool filter. You will need to replace the lateral, which should stop the sand from entering your pool through the return line.

Jul 10, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Blowing sand into the pool


If your pool filters blowing sand into the pool, it means that you have a broken or cracker lateral. You will need to have the lateral replaced and it should eliminate the problem.

Jul 10, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

I have an Hayward Pro Series S244T filter and I have had problems with sand blowing back into pool - the filter is only 2 years old


When sand returns to the pool, there is a hole in either the media or the sieve that is supposed to keep the sand in the filter.
All of the sand must come out of the filter, the sieve at the bottom (outlet of the filter) must be removed and any broken segments must be replaced.
The sand is then returned.
Gary

Apr 27, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

I have a S21OT sand filter that is running off the pressure guage and flowing sand back into the pool. The laterals are fine, I changed the sand, backwashed for about two minutes, and rinsed, The pressure...


Usually sand blowing back into the pool is either cracked laterals, a cracked hub assembly (what the laterals screw into) or a bad spider gasket is wrong with pool filters. If you are certain that the laterals and hub are not cracked then I would try replacing the spider gasket.

Apr 08, 2011 | Hayward SAND FILTER, PRO SERIES

3 Answers

There's sand in my pool!


I have had this issue with several clients and before worrying, you might have had sand being drawn back into pool lines during winterization. this happens when you blow out lines, plug holes, but keeping it pressurized. if it keeps happening check draw fins on bottom of filter.

Mar 01, 2009 | Hayward SAND FILTER, PRO SERIES

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