Question about Hayward EC75 HAYWARD PERFLEX FILTER SYSTEM W/1HP PUMP

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Pool filter return keeps stopping

My earth filter runs about 6 hrs and slowly the return line stops putting water into pool,I have bumped and regenerated filter and helps for a nother 6 hrs.
I have cleaned fingers with Muratic Acid in water and works the same way.
the water is crystal clear and had it tested and is OK.

Thanks,George

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  • Anonymous May 11, 2010

    When you do the acid wash do the fingers clean back to white, or do they stay a gray/green color?

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I,ve backed washed, I,ve earthed, I,ve shocked, I hve done all the things i am supposed to do and my pump still keeps slowing down and hardly letting any water back out of the return. this is an on going thing every year, what is the best solution to a easier summer with my four kids.

Posted on Jun 06, 2010

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If you have cleaned the fingers in acid you may have to replace the socks on the fingers.

Posted on Dec 12, 2009

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Google com


put a ball valve on line we do that all the time to fix a leaky multiport

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I was backwashing the pool and put it back to filter and it will not ****. Thanks Rob


After your pool filters on the "backwash" setting, you should move it to the "rinse" setting. With the pump off, set valve to rinse. Start pump and operate for about 1/2 to 1 minute. This ensures that all dirty water from backwashing is rinsed out of the filter to waste, preventing possible return to the pool. Stop pump, set valve to "filter", and start pump for normal filtering. If it still won't start, check for restrictions in the intake and discharge lines.

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Pump will not push water out


Have you added diatamacious earth aka D.E. to the filter.

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I have a Hayward s200 sand filter. I run it all the time mainly for about 10-12 hrs a day and my water still doesn't clear up. People keep mentioning the filter isn't working properly. and i notice a...


There should be no air getting into the lines .. bleed the air out of the filter, see if there is air getting into the filter thru the pump, this will give you poor circulation . If you are loosing water , then you may have a leak in the return pipe ,, Sand is not usually orange .. but soil around the pipes may be if you are in the southwest

Jun 10, 2010 | Hayward SAND FILTER, PRO SERIES

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We have aEC-65 hayward pool filter with a 1HP motor why does the pump slow down run at higher pressure ?


I believe that this particular model is a DE pool filter. Is that correct? If you are operating with a media other than DE, let me know. Assuming that you ARE using DE:
1. You DE could be coated to the maximum with pool dirt algae, etc. To correc this problem, you need to bump the filter.
2. You could have an overcharge of DE. To remedy,
Bump-Drain-Recharge.
3. Restriction in return line caused by small
eyeball fitting. To correct, change to a larger sized fitting.
4. You could have a partial closed valve on a return line. You will just need to open the valve.
5. Make sure that your pump strainer basket and pool skimmer basket are not clogged.
6. Make sure that your pump impeller valves are not clogged.

May 25, 2010 | Hayward EC75 HAYWARD PERFLEX FILTER SYSTEM...

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D.E. NOT STICKING TO FILTERS


Is this your first time using the pool filter? There are several things that you will want to check. Make sure that the pump is primed and running. Make sure that all air has escaped the filter and that you have a steady stream of water from the return line. Then, you need to pre-coat the filter with DE. This is an important step. Scoop 5 lbs. of DE into you skimmer as fast as the plumbing will take it. You will also need to regenerate when your pressure drops off. Stop the pump. Move the bump handle down slowly, then up briskly. Repeat 3 times. Restart the pump and filtration will resume at near the original flow and pressure. After each regeneration, and until the filter is cleaned, there may be a slight increase in the starting pressure. This is the result of dirt accumulating within the filter and is completely normal.

May 09, 2010 | Hayward EC-40 DE Pool Filter with pump

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Our KK. will work great for maybe 5 minutes, but then stops. It is still chugging, but does not move. Had this problem last summer and bought a new KK. Had the pool replumbed. Have put new gasket on leaf...


There are a couple of things that will cause Kreepy to not move. Basic things to look at to resolve this issue:
1. Check the Footpad, the very bottom part of the cleaner, there should be raised sections on the clear rubber ring. There should be texturing on those sections, should feel like a soft sandpaper. If the sections are smooth, that needs to be replaced.

2. Is the Seal flat on the pool surface? If not, you may need to move the first weight about 8 to 10 inches from the Swivel Head.

3. Does the cleaner stop moving in the same area? When your system is running, can you see the water "rippling across" the top of the water from the return lines? If so, the issue may be your return lines. The cleaner follows the hose, so where the hose floats the cleaner will follow. If the return lines are not allowing the hose to move, then the cleaner will stop moving. Pentair recommends that your return lines should be angled downward at a 4 to 7 o'clock angle, all going in the same direction. This will take a day, or so, to re-direct the flow of water in the pool. However, by moving the flow of water from the top, or toward the center of pool, to a downward circular movement will allow the hose to float freely around the pool.

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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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