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Thread: Bizarre - Toilet Won't Fill

  1. #1

    Default Bizarre - Toilet Won't Fill

    I've replaced all the toilet guts, supply flex hose, shut off valve connecting to the copper, even purged/flushed the copper pipe supplying the toilet etc.

    Despite all my efforts when I re-assemble the toilet everything works fine for about 4-6 flushes and then the toilet will refuse to fill. It behaves as if the supply is simply blocked.

    Is there such a thing as an Air Lock in toilet plumbing?? Is there a backflow preventer in a fluid master that can slam closed so hard it can't be overcome unless you drain house pressure??

    The toilet is supplied of a dedicated run to the powder room. There is a T joint that has the Vertical T going to the toilet and the horizontal continues along to the sink supply. Is it possible that the sink is venturi vacuuming a backflow valve closed??

    Any thoughts would be greatly appreciated.
    Thanks,
    HarryHomeowner

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default tank

    IF the water does not come into the tank, then you have a bad fill valve.

  3. #3

    Default Nope - not that

    I've replaced the fill valve. Water will come into the tank a hand full of times but as soon as the sink runs it will no longer fill.

  4. #4
    Moderator & Master Plumber hj's Avatar
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    Default water

    You have a problem unique to your house and it needs a plumber to check it out, if your description is correct, because as Spock says, "It does not compute".

  5. #5
    Retired Defense Industry Engineer jadnashua's Avatar
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    Default


    Do you have one of the "floodsafe" supply hoses going to the toilet? If so, replace it with a standard item.
    Last edited by Terry; 06-02-2008 at 10:21 AM.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  6. #6

    Default Good Question, I'll Look

    It never occurred to me that there could be a food safe hose. I'll check and get back with you.

  7. #7
    Master Plumber Redwood's Avatar
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    Default


    They are Evil!
    Last edited by Terry; 06-02-2008 at 03:17 PM.

  8. #8

    Default I Did have the Flood Safe supply line

    Thanks a million. That saved me a service call for sure. I'll check back tomorrow and see if the midnight gremlins were at work but I'm sure that was it.

    THANKS!!!!

  9. #9
    DIY Senior Member SteveW's Avatar
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    Default

    You will save some future homeowner a service call, too, now that you've taken the time to give us feedback - thanks!

    Too bad about this little "design issue" with the Flood Safe line - seemed like such a good idea at the time...

  10. #10
    Forum Admin, Expert Plumber Terry's Avatar
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    Default

    seemed like such a good idea at the time...
    It did,
    Before I used them, I had thought about switching over to them.
    And then I found out that they didn't allow a toilet to fill.
    Dooh!

  11. #11
    Master Plumber Redwood's Avatar
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    Default

    At first thought it seemed like a good idea...
    Then when thinking about it for a little more than a split second, reality sets in...
    At that point you realize that all the Floodsafe valve is protecting against is...
    A No-Burst hose bursting!

    Kind of redundant isn't it?

    Then I get sent to a call where a floodsafe hose failed and flooded a house!
    Go figure!
    The Valve failed due to cheesy construction at the point indicated by the arrow!



    What garbage!

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