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Fluidmaster Cable Dual Flush Installation

Posted: Sat Apr 07, 2018 6:10 pm
by dugit
I have just got a fluidmaster cable dual flush valve for installation. What I cannot understand it has a partial flush adjusting slide which has more/less marked numbers 1 to 12 but the slide will only move up to about 3 but then falls back again. Also on the other side marked more/less 1 to 6 which I cannot move at all. I’m obviously missing something could you please help me?.