Question about Hayward 1 HP Matrix Pump EC40 Perflex System w Microprocessor Timer

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Dirty water coming back into pool

When I am vacuming my pool, the dirty water is shooting back in through the nozzle. It is also is happening when I am vacuming to waste. Not sure what the problem is. Please help me if you know.

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There is a spider gasket in the valve that could be broken or torn apart.
To check it seperat the valve at the handle and you will find the gasket
inspect .

The Pool Tech

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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1 Answer

Why is dirty water coming into pool after I vaccum to waste? Or If I change valve to any position then back to filter? Also dirty water coming out of rinse position and clean coming out of backwash.


if dirty water is coming back to pool after vaccume to waste/dump then id say the packing seal on your multiport valve is broken/ damaged the multiport valve is the thing with the handle on it that you move to adjust filter/water direction , most times these are available in a cartridge replacement from your local pool supply vendor and change easy with only a screwdriver and maybe a strap wrench (don't use metal wrenches on plastic it will crack it )

Jun 26, 2015 | Pool & Spa

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No pressure on gauge on filter pump


The same thing happened to me. So frustrating! I guess the pump that comes with the intex pool is not strong enough to do this. At least that is what I was told. So I just ended up sending that vaccum back and getting a catfish vaccum. Works great!

Jul 29, 2014 | INTEX Sand Filter Pump

1 Answer

While vacuming loses suction, sand filter pressure goes high


That increase is due to the filter loading up with debris. Is the pool unusually dirty? If there is a lot of dirt and silt in the pool use the "waste" setting on your backwash valve while vacuuming.
This allows the water to bypass the filter and go directly out the waste line. Keep an eye on your water level because you will be removing water from the pool and may have to add more.

Jun 30, 2013 | Hayward SAND FILTER, PRO SERIES

1 Answer

Intex pump strongly pulls water in, but the flow into pool is very weak. Air lock or dirty filter is not the issue. Any ideas? Many thanks! Anna


It is likely that your filter is dirty. The filter's cartridge can be removed and cleaned with a spray nozzle on a hose. you will then need to reassemble, prime and restart. I hope this helps.

Aug 08, 2011 | Intex Krystal Clear Model 635 Pool Filter...

1 Answer

I have had my pool up since April, and it has been working fine. On Sunday, I vaccumed pool, and when I turned pump back on, it threw dirty water into pool, and now it throws sand into pool. We took out...


Is there an air ejection tube in your filter? My guess is you do and the little tube is not sticking up onto the top, rather, the little tube is in the sand and it is vacuming the sand into the return water flow due to the "venturi effect".

Check it out and let me know what you find.

Thanks for your question @ FixYa.com

Aug 03, 2011 | Intex 2100 Gph 95 Hp Sand Filter Pump With...

1 Answer

While vacuuming the pool, the dirty water shoots back into the return. we replaced the sand, and laterals looked in tact.whay is it doing this?


it sounds like the filtration canister has been bypassed that would be the first thing to check if thats good check your filter canister it could be dirty

Jul 17, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Why does the material i vacum up come out the return??


If you are vacuuming a lot of debris or algae, you need to vacuum to waste. 1. You'll turn the equipment off, 2. You'll turn the valve to waste, 3. Turn the equipment back on, and 4. Vacuum the pool like you normally would. Only this time, the debris and dirty water goes out your backwash/waste line. You also don't have to backwash and rinse afterward because none of the debris went inside the filter.
Any time you vacuum up just a small amount of debris, you'll vacuum on filter and then backwash (30-60 seconds) and then rinse (about 30 seconds).

Jun 12, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Vacum


First, make sure that you are on the "filter" setting. If you have large debris or an extremely dirty pool, you might want to try the "waste" setting. Also, make sure that your pool filter has been backwashed. You might also want to consider changing your sand if it is only. It could have lost some of its effectiveness. Let me know if you try this and are still having problems.

May 21, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Back - siphoning when the pump turns off.


Make sure you dont put too much sand it will come back out.Put the correct amount and bump the pump correctly.

Jul 23, 2009 | Water Pik Flow Valve Assy. Series II...

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