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Thread: PacFab FNS Plus (FNSP 60) DE Filter Replacement

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    Join Date
    Jul 2007
    Location
    Katy, TX.
    Posts
    37

    PacFab FNS Plus (FNSP 60) DE Filter Replacement

    Well, my 11 year old PacFab De filter bit the dust over the weekend. It developed a crack in the lower section. The filter was approaching 30 psi when I discovered the leak. I tore the unit down, epoxied the crack both inside and out and let it cure overnight. When I put the filter back in service, and loaded it with new DE, everything was good. The following day, the crack started to weep. I expect the new DE material helped pack off the leak temporarily, but was displaced on the next start-up. The repair (band-aid) did buy me a few days which allowed me to locate a new filter. PacFab has been bought out by Pentair. I researched my alternatives, primarily Hayward and Pentair and bouht a new Pentair FNS Plus Vertical Grid DE Filter (60). I had read they were very similar to the PacFab model but were slighty shorter which required other users to shim them up with a tile and some minor piping changes. My install did not require any modifications whatsoever. It turned out to be a direct replacement. It did take alot of moving the unit around to start the connections on the the multiport union connections, but eventually all made-up leak tight. So, for all you PacFab, Purex Triton users, there is a direct replacement for your DE filter.
    Stay Cool and Enjoy,
    Duk
    21,500 gal. IGP, Diamond Kote plaster, spa, and waterfall features, flagstone coping w/ flagstone/river pebble decking. Pentair NSFP 60 filter, 2-ea. 2 HP Whisper Flow pumps, 1-ea. 3/4 HP Hayward booster pump for Polaris 3900 cleaner, AquaLink RS6 controls, GoldLine SWG, T-15 cell

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    Location
    SouthWest Alabama
    Posts
    22,337

    Re: PacFab FNS Plus (FNSP 60) DE Filter Replacement

    Good to know.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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