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Thread: DE Filter with no multiport valve...

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    DE Filter with no multiport valve...

    I have a Sta-rite System 2 Modular DE Filter (model PLDE48) for my inground pool. It has no multiport valve - just flow valves for the inlet and outlet. It's such a hassle to open my pool in the beginning of the season because there is no ability to backwash and when pressure jumps in the early days (when the pool is at it's worst), I have to remove the grid, clean it off completely and then recoat. I usually have to do this several times, until the pool clears. Also during the season - when pressure builds, I have to clean the entire grid. I end up using a ton of DE over the course of a summer.

    I do vac to waste (sort of) by vacuuming and not putting the filter grid in while running a waste hose off of the tank drain - but typically only do this upon first opening the pool, to get the majority of gunk out.

    Question - is it difficult to add a multiport valve that has backwash and vac to waste options to this setup? Would it be worth the effort?

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    Mod Squad Bama Rambler's Avatar
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    Re: DE Filter with no multiport valve...

    It shouldn't be difficult at all. They make an MP that will fit right up to your filter. Here' one at this site.
    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
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    Re: DE Filter with no multiport valve...

    Thanks! That looks perfect!!!

    Next question - why wouldn't they have installed one in the first place??? Pool was part of the home purchase, so I wasn't present for the install, or I would have probably asked.

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    Mod Squad Bama Rambler's Avatar
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    Re: DE Filter with no multiport valve...

    Can't answer that one. I would say cheaping out, but then they'd have just gone with a small sand filter. ???
    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
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    Richard320's Avatar
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    Re: DE Filter with no multiport valve...

    Quote Originally Posted by TredH20
    Question - is it difficult to add a multiport valve that has backwash and vac to waste options to this setup? Would it be worth the effort?
    Looks to me like someone didn't read the fine print. Sorta like batteries not included; in this case, it's
    Backwash Valve Selection (Sold Separately)

    18202-0250 ABS 6-position valve w/ unions 1-1/2"

    18201-0300 ABS 6-position valve w/ unions 2"

    14935-0300 ABS slide valve w/ unions 2"
    http://www.aquapoolstore.com/filters...-DE-Fliter.htm is where I got that. Looks like an easy hookup to the filter, but you'll have to chop some pipes to fit the valve in. Twenty bucks says they plumbed things so tight there isn't room....
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: DE Filter with no multiport valve...

    Quote Originally Posted by Richard320 View Post
    Looks to me like someone didn't read the fine print. Sorta like batteries not included; in this case, it's http://www.aquapoolstore.com/filters...-DE-Fliter.htm is where I got that. Looks like an easy hookup to the filter, but you'll have to chop some pipes to fit the valve in. Twenty bucks says they plumbed things so tight there isn't room....
    take the 20 bucks...and u win...
    i had a Sta-rite System 2 Modular DE Filter (model PLDE48),too, and no MP, no waste port. pipes twisted there ,and NO ROOM!!
    i kinda think vacuum mode and backwash mode useless!!!!

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    Re: DE Filter with no multiport valve...

    You should check the specs of your StaRite filter. I could be wrong but I think that that DE mode filter is by design not used with a BW valve But I've only ever seen 2 and neither had a BW valve.

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