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Thread: Korky Quietfill Max Performance Valve #528MPK

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  1. #1
    DIY Junior Member ufokillerz's Avatar
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    Default Korky Quietfill Max Performance Valve #528MPK

    Do any of the homeowners or pro's on this board have any experience with this fill valve? Even korky's website does not have anything listed for this model.

    It looks like it has a control for water bowl fill, not sure if it provides anything else.



    Korky QuietFill Max Performance Fill Valve
    • Ideal for toilets manufactured since 1994
    • Easily adjusts to deliver the right amount of water to your toilet bowl
    • Five year warranty
    • Made in the USA
    Attached Images Attached Images  
    Last edited by Terry; 03-17-2011 at 11:05 AM.

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    Retired Defense Industry Engineer jadnashua's Avatar
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    It looks like a good idea, but most people won't adjust it to get the proper fill levels. That's why most manufacturers have custom versions of the same company's valves. If you adjust it, it should be a maybe cheaper alternative to the custom valve, but not if you value your time or are paying someone to do it right for you. To maximize water efficiency, you need both the bowl and the tank to fill to the proper level at the same time. If the bowl doesn't get enough water, the next flush will be weak. If the bowl gets too much water, any excess goes down the drain, and wastes water (having nothing to do with the next flush since it is already gone).
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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    Forum Admin, Expert Plumber Terry's Avatar
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    Here is an installation video for Korky


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    DIY Junior Member ufokillerz's Avatar
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    i was just wondering if anyone has experience with this, i ask because they call this max performance, but i am unsure what that really means.

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    Retired Defense Industry Engineer jadnashua's Avatar
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    As I mentioned in my previoius post, the quality of the flush can be affected if the bowl isn't at the design level. Being able to adjust the balance between the tank and the bowl allows both to fill at the same time and maximimzes the toilet's ability to flush...it won't make it better, but it shouldn't degrade it like some can, IF it is adjusted properly, it should be as efficient as the original factory valve.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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    DIY Member schipperke's Avatar
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    I like how they had to replace a fluidmaster. I do note as mentioned, too much water is directed in fill tube, and a lot just goes down the drain from the bowl. I guess I can just position the black fill tube to the side a bit?

  7. #7
    Forum Admin, Expert Plumber Terry's Avatar
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    Default Korky MaxPERFORMANCE QuietFILL adjustable toilet fill valve

    Korky MaxPERFORMANCE QuietFILL adjustable toilet fill valve

    Now Korky has a fill valve that is adjustable. You can tweak it for both tank and bowl fill.
    Some fill valves will waste two gallons that wind up going down the drain on a tank refill.
    Now you can install something that will shut off just as the bowl is filled.


    Korky MaxPERFORMANCE QuietFILL adjustable toilet fill valve

    http://www.youtube.com/user/LavelleI.../5/Gw7HvHtaA84
    Last edited by Terry; 05-14-2011 at 01:03 AM.

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