Part # EC40AC
Warranty 1 Year
Perflex Extended-Cycle D.E. filters clean pools fast, removing particles as small as one micron the first time through. Its patented Flex-Tube™ design gives longer cycles between cleaning because the same D.E. filter powder is used over and over. Plus, Perflex cleans without backwashing, saving hundreds of gallons of treated pool water. An exceptional value as a replacement filter or for new pool installations. For sparkling, clean pools, step up to Perflex.
Click here for more Hayward Filters
Our above ground pool is a 15 x 30 oval and 52" deep. Will the EC-40 D.E. filter system be big enough?
Hi, John. The Perflex EC40 is large enough for a 15'x30' pool as along as your pump does not exceed 40 GPM.
my existing filter is a ec40 not ec40ac is there a difference
Hi, The AC model uses a clamp assembly instead of nuts and bolts to seal the unit.
How do i change the fingers
Hello Ranae, we don't have very many videos for this, but I did find a few on another site to better walk through your filter.
how r do you get the filter cover off after you loosen the bolt
Hello Diane, there is a how to video on filter grids/cleaning.
How many fingers does the EC-40AC have?
It appears the EC-40ac has 72 flex tubes.
need a pump handle for an ec40 . can I order one ?
Hello, Here is a link to the Hayward Perflex D.E. FIlters EC-30, EC-40 & EC-40AC Parts page. The handle for the EC-40 is part number 4810-80C.
I have a EC40AC and DE seems to be seeping into the pool, I had a bad check valve, replaced it and it fixed the issue of cloudy water in my "basket" but it didn't solve the problem of DE seeping into the pool, I inspected the "fingers" as best I can and they seem fine, any suggestions?
Hi Guy, A small tear in the fingers that is invisible to the eye can cause DE to get back into the pool. If you're sure it's not tubes them it could be the diaphragm.
whats the difference between an ec40 andanec40acfilter
Hi, The EC40 unit has the bolt-on lid and the EC40AC has the clamp-on style lid.
What are the external dimensions of this filter, can I use it for a spa?
Hi Richard, The dimensions of this unit is 26-1/2"H x 16"W.
I was thinkibg about purchasing the ls40 grid for my filter, but can across the perflex de 20, my pump is a Hayward 1.0 hp, any recommendations never used a unit with those fingers in the filter
Hi Joe, I'm not a big fan of the finger as they can be quite expensive when they need to be replaced, almost as much a complete filter.
We have a 24 feet above ground pool with a Hayward De Filter, model ec45. We've been using it for 12 years with no problems. However, this year, the DE is flowing back into the pool. Do you know what can be causing this? The pool water has been tested and it is fine. The water is clear except for the DE which is making it cloudy when stirred up. This will be our last season for the pool as we will be getting rid of it. I don't want to replace the filter since it is our last year. Thanks.
Hi Anna, This is most likely damaged DE fingers. You can replace the damaged DE Fingers by using the Perflex EC Replacement DE Fingers.
I would like to install a Hayward 1 Hp PowerFlow 2 speed matrix Pump (SP15922S) along with a Hayward EC50AC filter. In addition, I would like to use a Hayward Heat Pro Heat Pump (95,000 BTU.) Is this an efficient configuration? What are your recommendations for the base for the pump and filter? Are there base units that accommodate this pump and filter? Where would I find them?
MY HAWARD FILTER LEAKS. IT IS NOT LEVEL. COULD THIS BE THE PROBLEM? I MOVED IT AND IT IS NOT LEVEL IT IS WORKING FINE BUT LEAKING Model EC 45
Hi Geoffey, I would recommend leveling the filter. Also where is the filter leaking from, you may need to replace a gasket or o-ring.
I keep seeing backwash the filter if the pressure is going, I have the bump de filter, is there a backwash on this filter ? I do not see anything on my filter that says backwash, am I missing something?
Thomas, On the DE and Sand Filter's the term backwash refers to the process of cleaning out the filter. You can find the instructions to clean the filter in the Perflex DE Filter Owners Manual under cleaning.
Will the ec40 be large enough for a 32'x18'x 54 in. pool?
If possible I would suggest going up to the Hayward EC50AC Filter.
Where can I get TSP, do pool suppliers carry it?
The easiest bet would be to purchase it online. You can Purchase TSP Powder Online here.
After the filter runs for 4 to 5 hours it leaks heavily from where the top seals. if you turn it off and back on it takes several hours to leak again. filter is 3 years old
We would suggest replacing the EC40AC Body Gasket (Key #12) and / or the Bump Shaft Kit (Key #13). Both items can be seen on the EC40AC Perflex Filter Parts Diagram.
I have had this Hayward bump filter for 15 years, it's the one that has all the fingers down inside, I had a very low ph, I started adding ph+ and right away my filter started plugging up, I cleaned it in acid and water for 3 hrs, started back up, flow was good for about 45 mins. Do you have a suggestion?
Thomas, Did you clean the fingers with a product like TSP before acid washing? If not, dirt and oil can be sealed inside of the cloth covering the fingers. Another possible cause for what you've described is particles in the water (cloudy water).
Hi Patrick,Thank You for getting back with me so quickly. Although you said in our previous conversation that our gasket may need to be replaced due to the leaking around the seal when we connect the top of our filter to the bottom....we have a D.E.filter model# EC40C92S and there isn't a gasket between the top & bottom,the two pieces just butt together. Do you have another idea for this model ?? Again Thank~You in advance. (serial # 21120811002628006)
Hi June, You should have this EC40 Body Gasket between the top and bottom of your filter. This gasket is depicted as key #12 on the EC40 Perflex Parts Diagram. If you do not have this gasket installed then this would be your problem. If your do have this gasket then I would inspect the gasket to see if there are any imperfections in it.
Hi Can you tell me what would cause the filter to leak on both sides? where the top & bottom are joined with that black collar...we've tightened them & the leak gets even worse....I even put pool lube all around the top nothing seems to help...we have taken it apart several times it seems to be fine with no leaks until we turn the pump on & then there's a steady stream of water running down both sides....Thank You in advance
I would check the gasket which goes between the top half and bottom half of the filter, if you see any imperfections in the gasket then it may be time to replace the gasket.
Hi my pool size is 15x26 WXL with a 1 HP pump which model filter should I get. My pool is rectangular
Hi Robert, If your pool is an above ground pool then this EC40AC filter would pair nicely with your 1 HP pump. If you have an inground pool then I would suggest going with the larger EC65 Perflex Filter.
I have model EC-50. Its pretty old and when I back washed I noticed what looks like pieces of the fingers coming out of the port. Can I just replace the fingers or is it time for a new filter? If i can replace the fingers what is the part number and where can i buy it?
I have a Hayward DE filter model EC45 2 yrs. ago changed motor last year the filter housing cover just put it altogether started it filtering and noticed water coming threw bump handle shaft is there gaskets for that also if i change that should i change the housing gasket
I would suggest the Hayward Perflex Bump Handle Gasket Kit if you are just getting leaking out of the handle then this kit should be all you need.
I just opened my pool. I have a hayward DE earth filter. The pool is pretty clean but the filter runs only a few minutes and loses pressure, I bump it and only a few minutes it loses pressure. Do the fingers need to be cleaned or replaced? It is an old filter with a new motor, and I clean it out every year. What should I do? Thanks
Hello Brian - If the pool water is clear and the pressure rises on the pressure gauge quickly, the fingers will need to be cleaned or replaced. If the water is cloudy and the pressure on the gauge rises quickly, this is normal. You may have to backwash several times a day until the water is clear. If the pressure on the gauge is dropping, you may have an air leak. Check out our guide on how to correct air leaks.
Is the 20ft good enough for a 24ft rd 4ft pool or am i pushing it. Would I be running the pump constantly. i'm guessing there are 9 to 10 thousands gallons in pool.
Hi Pete, I would suggest going up to the 25 Sq. Ft. EC50AC Hayward Perflex Filter for a 24' round pool. This will put less strain on your pump and means longer time between cleaning your filter.
Ec40a or ec75a why buy the 75a when the 40 a days all in ground pools all sizes?
Warren, 20sq ft of filtration verses 40sq ft of filtration, EC75A offers more filtration than the EC40A.
Why buy a more expensive Hayward de pool Filter if this one says in ground all types all sizes EC40a or ex 50a
Warren, You would have to match the filter size with your pump GPM. That's how you determine what size filter to get, the bigger the filter the better.
Is the EC40AC filter ok for a 24 foot round pool 15000 gallon?
Hello Joe - The EC40AC can handle a 24' 15,000 gallon pool. The EC40AC can handle pumps up to 1HP.
How much D.E. does the EC40AC require?
The EC40AC requires 4 lbs.
The manual says that a diverter valve can be installed for vacuuming to waste during heavy spring clean up or pulling rain water out of the pool. Where would it be installed? Do you sell this valve?
Yes we do carry this diverter valve which you may view or purchase through this link http://www.inyopools.com/Products/07501352023400.htm This valve has 3 ports on it, the valve would screw into the disharge side of your pump and you can have the handle turned so the return water goes through your filter or you can turn the valve in the opposite direction so the dirty water goes to waste and bypasses your filter, this is very helpful when vacuuming or for heavy spring clean up.