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Thread: Help identifying old equipment, 1970's

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    Join Date
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    Help identifying old equipment, 1970's

    Hi all,

    I need some help identifying this old sand filter and the multiport valve. The label on the filter is obliterated and the tags on the multiport are difficult to read.

    I'm trying to figure out how to open the filter for a deep clean (we are in the middle of a SLAM) without breaking anything.

    I'm not as familiar with sand filter efficiency so I'm not sure how quick to expect it to filter the green goo. The pressure is running at 20 but doesn't seem to be climbing as expected. Also the green seems to taking longer to fade than anticipated.

    Sand Filter.jpg
    Multiport.jpg
    Day 1.jpg
    Day 2 1141am.jpg

    Thanks for the help.
    25000 gal IG gunite plaster. Built in spa, built 1984.
    48 SF Hayward DE-4800 filter
    1 hp Hayward super pump
    3/4 hp Polaris PB-4 booster pump, Polaris 380
    Taylor K-2006 test kit

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    Patrick_B's Avatar
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    Re: Help identifying old equipment, 1970's

    The filter may well need a deep clean and it can't hurt. The top should simply unscrew from the top of the filter body.

    With that out of the way, the filter will not get rid of the green. That is a job for Free Chlorine, and until you get it high enough for long enough the green will remain, and or get worse. If you have a proper kit, follow SLAM procedure to the letter and it will clear.
    TFP Moderator
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    Re: Help identifying old equipment, 1970's

    Thanks Patrick_B, I do have a proper kit (Taylor k-2006) and the SLAM is in progress. I'll try the unscrewing I'm just afraid of breaking it since it's old and plastic.
    25000 gal IG gunite plaster. Built in spa, built 1984.
    48 SF Hayward DE-4800 filter
    1 hp Hayward super pump
    3/4 hp Polaris PB-4 booster pump, Polaris 380
    Taylor K-2006 test kit

  4. Back To Top    #4
    Patrick_B's Avatar
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    Jun 2011
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    Midland TX
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    Re: Help identifying old equipment, 1970's

    I hear you there.

    Let's keep any more chemical/treatment questions over in the other thread about erratic readings, and call this one done. The green pool pictures would be nice in that one BTW.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

  5. Back To Top    #5

    Join Date
    Aug 2010
    Location
    Lake Jackson, TX
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    130

    Re: Help identifying old equipment, 1970's

    will do.
    25000 gal IG gunite plaster. Built in spa, built 1984.
    48 SF Hayward DE-4800 filter
    1 hp Hayward super pump
    3/4 hp Polaris PB-4 booster pump, Polaris 380
    Taylor K-2006 test kit

  6. Back To Top    #6

    In the Industry

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    Mar 2011
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    441

    Re: Help identifying old equipment, 1970's

    The filter looks like a Purex/Trition tr60 which is now a pentair tr-60. A very common filter.
    20X40 30,000 gallon gunite pool

  7. Back To Top    #7
    Mod Squad pooldv's Avatar
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    Re: Help identifying old equipment, 1970's

    This article complete with pics might help you with that sand filter, Deep Cleaning a Sand Filter
    TFP Moderator
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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