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Hayward Perflex Extended Cycle DE Filter

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Hayward Perflex DE Filters

Perflex Extended-Cycle D.E. filters clean pools fast, removing particles as small as two microns 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

 

Hayward Perflex EC40AC
Hayward Perflex EC-40 Clamp Style Lid (Top)

The Perflex filters use diatomaceous earth powder (commonly called D.E.). D.E. will remove particles as small as one micron and is the most efficient dirt remover known.  It will 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.  D.E. powder is is fed into the filtration system, usually Through the skimmer.  This is called pre-coating.  As the water passes Through the flex-tubes the filter powder is automatically coated on the outside of the filter-tubes, forming the working surface.  As pool water passes Through the filter, the D.E. coating traps the contaminants, causing the filter pressure to rise.

Normal filters would require backwashing to reduce the pressure.  The Perflex only requires bumping. Backwash is only necessary, when bumping does not restore the normal flow.


 

Hayward Perflex Filter
Hayward Perflex EC-75 Bolt Style Lid

Hayward Perflex Specifications

Perflex Model
 Horsepower
 Turnover (8 hours)
Model EC-65
 1/2 HP
21,000
Model EC-65
 3/4 HP
28,000
Model EC-65
 1.0 HP
32,000
Model EC-75
 1.5 HP
36,000

Part Numbers and Purchasing

Hayward Perflex Filters, Models

SKU #
Model
Description
Buyme
FI-05520
EC-40
Hayward Perflex DE Filter Model EC-40B
FI-05522
EC-50
Hayward Perflex DE Filter Model EC-50A
FI-05524
EC-65
Hayward Perflex DE Filter Model EC-65
FI-05528
EC-75
Hayward Perflex DE Filter Model EC-75
 

Links

Swimming Pool Filters (Category Listing)

Hayward Parts Diagrams

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