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Thread: CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

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    gbski's Avatar
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    CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

    Can I replace a multiport backflush where I have a push/pull on the same filter? I have a 36 SF grid DE filter with the push/pull valve which is currently all jambed up. Would like the vacuum to waste feature possibly.

    Thanks!
    Thanks!

    gbski

    13,000 gal. IG 1994 pebbletec, 1.5 hp pump, 36 SF DE grid filter, Pool unscreened, The Pool Cleaner (suction), on well water

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    Re: CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

    You should be able to do that. What filter (make, model) do you have?

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    gbski's Avatar
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    Re: CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

    Mfr is Andrew's Advantage. Probably circa 1994 when pool built. Not sure if there is a model # - dark in there... Thanks
    Thanks!

    gbski

    13,000 gal. IG 1994 pebbletec, 1.5 hp pump, 36 SF DE grid filter, Pool unscreened, The Pool Cleaner (suction), on well water

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    gbski's Avatar
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    Re: CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

    Tried to take out the piston to replace O-rings. Could not get the dang this out no matter. So I'm back to looking at replacing the whole backflush valve and the MPV again... The filter model # wore off the tag. The push-pull valve label is a Pentair 26-1165. Can I put a Pentair 26-1055 MPV in as a replacement. I have the 7.5" center and 2" pipe connections.

    Thanks,
    Gbski
    Thanks!

    gbski

    13,000 gal. IG 1994 pebbletec, 1.5 hp pump, 36 SF DE grid filter, Pool unscreened, The Pool Cleaner (suction), on well water

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    duraleigh's Avatar
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    Re: CHANGE PUSH/PULL TO MULTIPORT BACKWASH VALVE

    Any MPV should fit if it's 2" ports and 7.5 on center. (mine is a Pentair MS 203 and has those dimensions)

    You will surely have to re-plumb the intake (from the pump) and output (to the returns) plumbing.....I don't think you can match those up switching from a push-pull to an MPV
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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