Question about Hayward 48 Sq Ft Pro Grid Vertical Grid De Pool Filter

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De leaking back into pool - Hayward 48 Sq Ft Pro Grid Vertical Grid De Pool Filter

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I had the same problem, and they suggested I had a tear or whole in one of the grids. After close inspection, I found no hole or tear, and the maniford was fine. I opened the multi-port valve and found the problem. It has a gasket inside and it had badly deteriorated. I replaced the gasket and no more problems with DE coming back into the pool.

Posted on Jul 04, 2009

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1 Answer

De leaks into pool


one or more of the grids may be damaged. you will have to open the filter and inspect the grids (yes, they will have to be cleaned for the inspection)

Sep 22, 2013 | Hayward EC-40 DE Pool Filter with pump

1 Answer

Fsn plus - 60 Pentair filter - when I vacumm DE is being circulated back into the pool


check for rips in grids if ok make sure rack tightened down correctly if voids DE will leak back into pool

Jan 17, 2012 | Pentair Pool & Spa

1 Answer

I found a bowl shapped button with cloth attached on one side inside my Heyward DE filter, when I was cleaning. It says EC-1272, Any idea what it is. Is it a filter part?


I had the same problem. Sent email to Hayward and here's the response I received:
It sounds like the check valve has come apart. This prevents the D.E from leaking back to your pool after the equipment shuts off. You can go to www.haywardnet.com/locator to find a list of dealers who can assist you with getting a replacement. Thank you, Ben

Jul 18, 2011 | Hayward EC-40 DE Pool Filter with pump

1 Answer

After start up the de keeps coming back into the pool? Help?


If you have DE leaking in through the return lines, there are a couple of things that you should check. You probably having an opening or tear in one or more of your flex tubes. If that is the case, you will need to replace the damage tubes and the problem should be corrected. There could also be a rip or tear in the pool filters diaphragm gasket or it could be worn or loose. If you notice a problem with the diaphragm gasket, replace it. You could also have loose bolts on the tube nest plate. Try tightening these bolts.

Jun 25, 2011 | Hayward EC-40 DE Pool Filter with pump

1 Answer

I replaced the diaphragm gasket and when I bump the filter some DE still shoots out into the pool. all the tube sheet hex screws are all tight. Paul


There are several things to check when correcting DE leaks in these pool filters. If you have already replaced the diaphragm gasket and tightened the screws, check for an opening or tear in one or more Flex-Tubes. Replace them one or all as necessary. Make sure that you have the proper amount of DE and that you don't have holes in your grids.

Oct 03, 2010 | Hayward EC-40 DE Pool Filter with pump

1 Answer

I have Hayward EC-45 filter leaking DE into pool via return line every start up. Checked all troubleshooting causes (tube tears, bad gasket, cracked tube sheets, loose bolts, o-rings, etc. All looks OK to...


If D.E. is returning to the pool, it's usually because you have a tear in the grids or the backwash valve is not working properly and returning D.E. back to the pool.

Aug 24, 2010 | Hayward 1.5 Hp Northstar High Performance...

1 Answer

I get DE back into my pump strainer and I only can filter for 2 to 3 hours before pressure is up to 20 to 25 lbs and I have to use bump handle to start filter again with results


The de coming back into the pump isnt anything serious, there may be a small air leak causing the water in the filter to drain into the pump.

As far as having to bump every couple of hours... is the pool really dirty?

Is your pressure gauge broken? Turn off the pump, does the gauge drop to zero? Alot of times they dont drop to zero, so when you hit 25psi it may really only be 15. Happens alot actually.

If pool is clean and clear and the gauge is fine... have you ever taken apart the filter and cleaned the de fingers? If not, i would take it apart, rinse all of the fingers and then let them soak over night in a filter cleaner solution. This cleans them much better then a plain garden hose spray. After they soak, spray them down again, add new de and you should be good to go....

Aug 15, 2010 | Hayward EC-40 DE Pool Filter with pump

1 Answer

Earth seaping back into pool thru main drain what could be the problem?


You probally have a leak in the system. When the system is off air is seaping back in through the leak and letting the water in the filter seak the level of the pool, taking the DE with it to come up from the main drain.If you can find and fix this leak you should be able to solve the problem.

Jul 18, 2010 | Hayward EC65 Extended Cycle DE In Ground...

1 Answer

Hayward pump wont prime. air bubbles coming back into pol with water and de


You have a leak, if DE is getting back in pool your filter is either dirty and needs to be taken apart and throughly cleaned, or you have a ripe in one of the DE cells. The pump not priming is a leak somewhere before where water enters pump. Could be a bad o-ring in a valve. Hard to tell what is is without troubleshooting, piece by piece. I would start with cleaning Filter first.

Jun 17, 2009 | Hayward EC-40 DE Pool Filter with pump

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