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Another Hayward EC40 DE Filter Discovery
by Felicia A. Williams
Okay, if you’ve read any of the other posts on this site, you know that I’m working with a second hand Hayward DE EC40 Perflex pool filter. When I first got it I took it apart to see how it works. It wasn’t until I got it working that I learned that some of the things I saw on the inside of the filter weren’t supposed to look the way they did.
Hayward DE Filter Fingers
It’s all about dirty fingers. When I first took the filter apart and saw the fingers I was surprised. My prior DE pool filter had a much different, more traditional looking filter. When I saw these foot-long rounded stalactites (or stalagmites depending on which way you hold the filter) I was surprised (and somewhat grossed out).
I didn’t know they weren’t supposed to be grey in color. I found that out later on when I took the filter apart yet again to clean it. Most people don’t take their Hayward Perflex DE filters apart to clean it mid-season, but when you buy a second-hand filter you have to make do with what you’ve got. The backwash or run off spout is rusted shut so I cannot backwash the filter like normal folks do. I have to take it apart to hose it off and dump the ugly water.
Manually Backwashing the EC40 Filter
During my manual filter backwash, I noticed that the pressure of the hose began to remove some of the grey from the fingers. Upon further investigation and upfront and personal power washing with the garden hose, I saw that the fingers were actually white!
Can you guess which ones are clean?
I sat there for about an hour or so spraying each individual finger until I got them as white as I could. I can’t tell you how many fingers there were because after counting 26 of them and seeing that I wasn’t even halfway through, I decided, “Who really cares how many fingers are in my DE filter?”
Impressively clean filter fingers
DE Pool Filter Re-assembly and Realization
After I cleaned the filter fingers and re-assembled the Hayward filter I realized two things:
This $100 pool filter ‘deal’ is proving not to be so much of a deal when you consider that I spent $230 for a new 1 HP pump and another $180 or so to replace the housing, not to mention the original $100 investment. Hmmm, I could have bought a whole new system.
Oh well, if I had bought a whole new system, I wouldn’t be having this much fun figuring things out (and sharing my tale of woe with you).
About the Author: Felicia Williams is a wife, mother and grandmother who likes to write about a host of topics.
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Last Modified: 24 March 2020
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