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    Hayward Perflex Extended Cycle D.E. Inground Pool Filter

      Hayward Perflex Extended Cycle D.E. Inground Pool Filter is rated 3.9 out of 5 by 19.
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    Hayward Extended Cycle DE In Ground Pool Filter Performs Better Than All the Rest

    Diatomaceous Earth, or DE, filters are nearly twice as efficient as sand filters when it comes to keeping your pool clean. This Hayward pool filter is no exception, using the microscopic pores in diatomaceous earth to capture the smallest particles like dust and pollen, and remove them from your pool.

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      • Item: # E3100 EC65A Pool Filter Only Now Only! $557.99 Was $619.99
        Max Pool Size (gallons) 25,920
      • Item: # E3110 EC65A Filter System - With 1-HP Pump $1,149.99
        Max Pool Size (gallons) 25,920
      • Item: # E3115 EC75A Pool Filter Only $714.99
        Max Pool Size (gallons) 38,400
      • Item: # E3120 EC75A Filter System - With 1-HP Pump $1,169.99
        Max Pool Size (gallons) 38,400
      • Item: # E2345 Base for EC 65/75 $153.99
      • Product Description
      • Customer Review
      • Product Specification
      • FAQS
      • MORE INFO

      The Hayward extended cycle DE in ground pool filter uses an exclusive “bump” system that recycles DE powder and extends time between filter backwashing, saving hundreds of gallons of water and time. Self-venting and self-cleaning technologies help make this the of the most efficient and best in ground pool filter.

      • This Hayward pool filter is built of a high-impact polymer material that won’t corrode or rust inside and outside
      • The included Hayward pump is convertible from 110V to 220V; must be hardwired
      • ”Bump” handle shifts DE powder in filter to be redistributed, extending time between backwash cycles
      • Reduced backwashing saves hundreds of gallons of pool water per year, along with time and money on pool supplies and maintenance
      • EC_65 pool filter is for a 25,920 gallon max size pool; uses 6 lbs. of DE powder (not included)
      • EC-75 pool filter is for a 38,400 gallon max size pool; uses 7 lbs. of DE powder (not included)
      • 1 Year warranty

      Rated 5 out of 5 by from Best filter The filter itself is great. However , it could have been packed better for shipping. The cover piece under the handle was bent and cracked and the box was damaged in that corner. The pressure valve was also broke off and we had to replace it. We didn't have time or patience to deal with returning it and getting another unit. But this is an efficient and great filter.
      Date published: 2017-06-17
      Rated 5 out of 5 by from The products we have ordered over the years have already arrived on time and they were what we ordered.
      Date published: 2017-06-03
      Rated 5 out of 5 by from Easy to install and reliable I bought this to replace the DE filter that was old and of the same manufacturer, I have used Hayward products in the past and very happy with the reliability and construction. hopefully this will last the 16 years my other unit lasted.
      Date published: 2016-05-25
      Rated 1 out of 5 by from Three-year Follow-up I left an initial review three years ago when I purchased this filter/pump combination. Thought I would provide an update. First, the pump is still in operation, but its performance is significantly less attractive than it was. Motor, despite being housed under a cover out of the weather, is easily twice as noisy as it used to be. The stream of water out of the nozzles is quite strong initially, but quickly fades to a trickle with absolutely no introduction of dirt, leaves or anything that would cause an obstruction. Pump the handle on Monday and by Tuesday morning the flow rate is but an extremely limited fraction of what it was just 24 hours earlier. Have tried reducing the DE from 5 lbs. to 4 lbs. hoping the reduced filter material might help, and it does, but not significantly. You have to crank the handle on a daily basis. Despite what some have reported, I have not had a broken handle. However, due to the insanely constant cleaning of the filter (easily once a month), the lid seal had to be replaced last week. Easy task, but disappointing that it only lasted three years. Was also disappointed that the litany of bolts/nuts holding the gasket in place (via a pressure plate) were cheap steel and all had corroded. I replaced all with stainless steel should have been installed to begin with. The 15-bolt lid cover is still a pain in the rear. Even with a screw gun, it takes 3-5 minutes to open up the cover. The outlet port being part of the lid has been a nightmare. Have tried various combinations of compression couplings, unions, flexible PVC, etc. but the constant opening/closing of the system takes its toll in short order. The threaded ports are still an issue as well. The opening is not tapered to provide a tight seal as the pipe nipple gets seated, so every nipple I have ever tried bottoms out against the shoulder of the nipple. I have used ones from Home Depot, Lowes and Ferguson....all bottom out without a positive seal being made. As a result, you have to over-tighten and liberally apply Teflon tape/plumber's putty, etc. and hope it works. Right now, the inlet port is sealed on the outside of the joint with a 2-part compound (like JB Weld) because without it, they always leak. When it is working, it seems to do quite well. But results are extremely short-lived. You cannot walk away from this pump/filter for even a week, or if you do, your pool will turn since the rate of flow deteriorates so drastically. I doubt I get another two years out of this, but whenever it comes time to replace, I will not get another like this and based on the performance of my Hayward automatic cholorinator, I am questioning if I will get another Hayward product at all.
      Date published: 2015-08-27
      Rated 4 out of 5 by from SO FAR SO GOOD Arrived in a couple days! Very easy to install! Would have had it up and running had I not run out of teflon tape. Pool was clear in 2 days. Happy customer!
      Date published: 2015-06-19
      Rated 1 out of 5 by from Horrible filter We absolutely hate this filter system. As someone else mentioned, 16 bolts to the lid and you have to take apart the plumbing. Then there are approx. 100 fingers that need cleaned and very expensive to replace if one of these is damaged. The handle has broken twice. Even with maintaining excellent chemical balance of our water we are taking this filter apart at least twice a month. We do not have leaves or a ton of debris in our pool either. DO NOT get this filter system. We are switching to a paper filter system
      Date published: 2014-07-05
      Rated 4 out of 5 by from Nice Filter BUT BUMP HANDLE BROKE!! We have owned this filter for a little less than 2 years & it has been awesome other than the fact that 2 months ago the Bump handle Broke when my husband tried to "bump it"... We have not had any other problems with it or the pump, both are great products and do exactly what they are designed to do!! I would have given it 5 STARS if the handle had not broke!
      Date published: 2013-02-27
      Rated 2 out of 5 by from Poor quality Admittedly, we bought this pump and filter because of its price. We had a cartridge system that went out and heard DE filters were the way to go. Since system was old, decided to get a new pump as well. We got the EC 65 with 1 HP pump. To In-The-Swim's credit, the equipment arrived in 2 days, even with a Sunday order. Comes with a stand that is sized for the filter and pump, if you use the included J-pipe to connect the two. But if your system is like mine and most all I have seen, piping after the pump actually splits to other branches rendering this J-pipe useless. Any piping arrangement other than their J-pipe and the inlet port of the filter is too close (vertically) to the outlet port of the pump so I had to build a stand that would accommodate how it actually gets set up (or install a bunch of piping elbows). The provided stand is sitting in my back yard waiting to be cut up and thrown away. Ports on the pump and filter are sized for 1-1/2" threaded pipe. This should be included somewhere in the on-line literature as all my piping is 2". Might be, but I did not see it. Regardless, it is much easier to plumb down than plumb up. Would have been real easy to make a "universal" piping ports where simple insertion of bushings would reduce piping size. Even better would be to have these connections as couplings to permit easy breakdown/removal if a problem arises. I saw a pump at Home Depot today that had this. The J-pipe does have a coupling at the midpoint, but again, it is useless if you have to accommodate anything other than the presumed installation. The ports are poorly cast for replacement use. The parts (J-pipe) they provide seal by a rubber gasket seated between a shoulder on the nipple body and the rim of the port on the filter. If you use a standard PVC nipple, the female threads of the inlet port are not tapered to provide a seal and PVC coupling do not have a shoulder to seat their gasket against. As a result, a std. PVC nipple bottoms out and the only way to keep it from leaking is to pucky it up with pipe dope. Wiring the motor is an unbelievable task. There is insufficient room inside the connection compartment for routing, twisting and connecting wire of sufficient gage for 240 volt power. Got to get real creative and if you have never done something similar before, forget about it and call an electrician. One of the issues is the terminal screws are too close to the edge of the housing and using a standard non-metallic exterior-grade weather-tight whip, the portion of the whip body that extends into the housing is less than 1/4 inch from the terminal screw. So if you try to run the wires directly to the screws, the spade eyes touch since there is no room. You have to run one wire all around the compartment and connect from the opposite side to keep them from touching. The inlet port of the filter and the outlet port are not 180 degrees apart, being off by approximately 10 degrees. You can clock the top of the filter tank to a number of different positons, but none is 180 degrees, (straight in line with the inlet). So if you are working with existing piping and just replacing the filter, you have to get creative with making connections as most piping installations are set up roughly 180, 90, 45 or 22.5 degrees apart. The bolts used to hold the filter container lid on are junk. In order to clock the lid, out of the roughly 16 bolts, over half broke. Broke while UNSCREWING, not tightening. Seems like a burr is intentionally cast on the bolt or nut threads. No idea why they would do this as you have to get inside the tank from time to time. But again, over half broke and I had to go to Home Depot to buy all new stainless steel bolts and nuts to secure the lid. Which brings us to the lid. It is necessary to open the lid from time to time in order to service the filter components. Besides being a hassle having to unbolt/bolt 15-16 fasteners, the outlet port IS PART OF THE LID!!!! So if you want to access the inside of the filter tank, you have to disassemble the piping leading out of the tank!!!!! Why they could not have lowered the port 3 inches and put it as part of the tank wall body is beyond me. So when you install it, make sure you have a union-coupling immediately outside the port, or you will be lifting off parts of your piping along with the lid and when you reinstall the lid, you obviously have to go through the hassle of reconnect your plumbing. Do not know about you, but taking apart the piping to get the lid off is absurd and poor design. And unfortunately, I have to open it up already as there is something rattling around inside the tank. No idea what but it is loud. Something may have got sucked into it or it may be a part of the workings, I do not know yet. I am just not looking forward to the hassle necessary to access the inside. Now, with all that said, in the roughly 24 hours it has been up and running, it appears to be running well and doing a good job (albeit with a leak at the filter inlet that I have to take off, pucky with sealant and reinstall). I hope I do not have any problems with it because it does not look like it is durable enough to endure repeated opening and closing.
      Date published: 2012-07-01
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      Technical Specifications:

      Performance Data
      Filter Model Effective Filtration Area Design Flow Rate* Turnover (Gals.) DE Required
      8 Hr. 10 Hr.
      EC-65 27 sq. ft. 54 GPM 25,920 32,400 6 lbs.
      EC-75 40 sq. ft. 80 GPM 38,400 48,000 7 lbs.

      FILTER TYPE: Extended-Cycle Diatomite, EC-65 or EC-75
      FILTER TANK: Injection-Molded DuralonTM
      FILTER ELEMENTS: Dacron Flex-Tubes (120)
      FASTENINGS: Stainless Steel
      PERFORMANCE RANGE: 30-68 GPM (EC-65); 35-80 GPM (EC-75)
      DIMENSIONS: 21 W x 31 H in.(533 mm x 787 mm)

      • Exclusive bump handle activates the mechanism causing the Flex-Tubes to instantly and uniformly clean themselves of dirt and filter powder
      • Self-venting design automatically expels any air that may be present in the system
      • Proven, patented Flex-Tube filter elements efficiently reuse the filter powder and dirt mixture forming a fresh filtering surface
      • Combination pressure gauge and threaded inspection/service port is easy to read and remove when filter needs cleaning
      • Heavy-duty filter tank injection-molded of high-strength Duralon™ for dependable, corrosion-free performance
      • Integral check valve prevents system backflow whenever pump is off

      Do I have to backwash this filter?
      - No. Two or three times a month just "Bump" to reduce pressure. Three to four times a season, drain, and recharge your EC-65 with fresh D.E. powder. It's that simple. And since the EC-65 cleans without backwashing, you'll save hundreds of gallons of treated pool water, and eliminate the problem of water waste disposal.
      What is the turnover (in gallons) rate?
      - For the EC-65 - 8 hours = 25,920 gallons, 10 hours = 32,400 gallons
      - For the EC-75 - 8 hours = 38,400 gallons, 10 hours = 48,000 gallons
      What is the design flow rate?
      - 67 gallons per minute for the EC-65
      - 80 gallons per minute for the EC-75
      How much D.E. do you need?
      - 6 pounds of D.E. initially for the EC-65, 7 pounds for the EC-75.

      How much area will the EC-65 or EC-75 take up?
      - Height = 31 in.
      - Width = 21 in.
      - Length = 18in.

      Product Downloads
      Filter Information

      Performance Data

      Filter ModelEffective Filtration AreaDesign Flow Rate*Turnover (Gals.)DE Required8 Hr.10 Hr.EC-6526.9 sq. ft.67 GPM32,64040,8006 lbs.EC-7540 sq. ft.80 GPM38,40048,0007 lbs.
      *Perflex® filters conserve electricity and perform best with medium head pumps. Hayward® pumps are application matched to provide optimum filter performance.




      • The Perflex® Extended-Cycle DE filter series cleans pools fast - removing particles as small as one micron the first time through. That's because Perflex® incorporates a patented Flex-Tube design that works in combination with DE (diatomaceous earth) filter powder to produce the clearest, most sparkling water possible.
      • The exclusive Perflex® Extended Cycle give you long filter cycles between cleaning - up to eight weeks depending on pool size and use. Because the same filter powder is used over and over again, Perflex® is a real work saver. And, it only takes minutes to extend the cycle.
      • Perflex® filter stretch your dollars too! Since Perflex® cleans without backwashing, you save hundreds of gallons of treated pool water. Plus, Perflex® saves on electricity because its efficient design offers less resistance to flow and produces more filtered water with less pump horsepower.




      • Bump Handle An exclusive Perflex® feature. It activates the mechanism causing the Flex-Tubes to instantly and uniformly clean themselves of dirt and filter powder.
      • No Backwash. When conventional filters need backwashing, Perflex® only needs "Bumping". "Bumping" repositions the dirt within the filter so the flow of water is not impeded. This is called Regeneration, because flow and pressure are restored, extending the filter cycle. When the dirt-holding capacity of the perflex® filter is reached, cleaning is simple. Just "Bump" and drain.
      • Self Venting. As filtered water is returned to the pool, Perflex® filters automatically expel any air that may be present in the system.
      • Flex-Tubes The proven patented filter elements that efficiently reuse the filter powder and dirt mixture forming a fresh filtering surface.
      • Combination Pressure Gauge and Threaded Inspection/Service Port. Easy to read and remove when filter needs cleaning.
      • Heavy-Duty Filter Tank. Injection-molded of high-strength DuralonTM for dependable, corrosion-free performance.
      • Check Valve. This integral valve automatically prevents system backflow whenever the pump is off.
      • Mixing Chamber. Engineered to produce a uniform, high velocity mixing of the filter powder and dirt that is removed from the Flex-Tubes by "Bumping".


      Perflex® filter use diatomaceous earth filter powder (commonly called D.E.), which will remove particles as small as one micron, and is the most efficient dirt remover known. It will even remove microscopic dust and pollen. Unfiltered water enters through the bottom connection in the filter tank, flows upward through the Flex-Tubes, and returns to the pool via the outlet in the filter head. When the filter is initially started, diatomite filter powder is fed into the system, usually through the skimmer. This is precoating. As the water passes through the Flex-Tubes, the filter powder is automatically deposited on the outside of the Flex-Tubes, forming the working "filter surface". Similarly, dirt in the water is stopped on the surface of the filter powder. Eventually, the accumulated dirt caused the filter pressure to rise and flow to diminish. this is when ordinary filter need backwashing - but not Perflex®. Simply activate the Perflex® "Bump" handle, and within a minute, flow and pressure are back to normal.



      SpecificationsFILTER TYPE:Extended-Cycle Diatomite, EC-65 or EC-75FILTER TANK:Injection-Molded DuralonTMFILTER ELEMENTS:Dacron Flex-Tubes (120)FASTENINGS:Stainless SteelPERFORMANCE RANGE:30-68 GPM (EC-65); 35-80 GPM (EC-75)DIMENSIONS:21" W x 31" H (533 mm x 787 mm)

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