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Dual flush adjustment (no instructions!)

Discussion in 'Plumbing and Central Heating' started by stevesey, 16 Jan 2007.

  1. stevesey

    stevesey

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    Hi

    I've just fitted a CFC31 dual flush unit (think it's a MACDEE), unit came with no instructions but has two adjusters on it (plus the water level to be set).

    One adjuster is at the bottom and goes from 1-6 the other rruns up the side and is numbered 1-20(ish).

    Wondering which adjusts the short flush and which the long and what are "normal" settings, and what the water level should be set to?

    Cheers

    Steve
     
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  3. tincup

    tincup

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  4. bster

    bster

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    I think the bottom adjuster is for the short/reduced flush. - take the cistern lid off and set it at 1 or 0 and flush note level in cistern (when flush stops) and then flush again on max, check level again to confirm that this is in fact the short flush (will be lower or higher than flush on 1/0) adjust as needed (2 liters left after a short flush should be adaquate for a pee). - when flushing check that you are short flushing!

    The standard flush should be around 5.5-6 liters (so adjust the other slider to acheive a nearly empty cistern).



    if its a new WC then there should be a mark indicating 6 liters - this is the water level (adjusted by the inlet valve).
     
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