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    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #1

    Aug 11, 2017, 02:57 PM
    Toilet bowl/tank match
    We have a Kohler 1.6 gallon toilet. The bowl is badly stained and we want to replace it. It occurred to me that we could save some money by keeping the tank and replacing the bowl. Will any Kohler bowl fit the tank? Three bolts to attach.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
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    #2

    Aug 12, 2017, 06:28 AM
    Hi John

    If Tom was here he would tell you stories about his younger days sitting in back alleys using a pumice stone and muriatic acid to clean stained toilet bowls... he'd also tell you about the scar tissue that developed on his lungs and caused him problems breathing for the rest of his life! Ouch!

    Anyway, not all Kohler toilet bowls are interchangeable. Look inside your toilet tank... see if there is a model number embossed into the tank or stamped onto the tank. If there is a model number, call Kohler and ask them what bowl they can recommend to match your tank, if any. My GUESS is that you have a Kohler wellworth toilet and if that turns out to be the case you can find a bowl at almost any plumbing supply wholesaler. If you'd like to post a picture of the tank and bowl one of us on the page may be able to identify it, as well. However, note that your best bet is to match up the model number from the tank and call Kohler... hate to see you buy the wrong bowl and go to tons of trouble for nothing!

    Have a good day.

    Mark
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #3

    Aug 12, 2017, 08:56 AM
    Name:  toilet 2.jpg
Views: 157
Size:  32.1 KBName:  toilet number 1.jpg
Views: 120
Size:  43.9 KBName:  toilet 1.jpg
Views: 228
Size:  41.4 KBLittle difficult to read the number. Maybe 4620, or 4020? See what you think.
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #4

    Aug 12, 2017, 09:05 AM
    Contacted Kohler. According their helpful chatline, they do not recommend any current Kohler bowls to go with a 4620 tank, assuming that the number is actually 4620.

    I don't think there is a 4020 tank, at least not that I can reference on the web, so 4620 would seem to be right.
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #5

    Aug 12, 2017, 09:45 AM
    I read K 4620.

    With these bowl matches

    k4620 toilet bowl | Search Results | KOHLER

    Looks like you may replace tank and bowl because none of the ones I looked at have a 3 bolt attachment.
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #6

    Aug 12, 2017, 10:23 AM
    Yeah, I think you are right. Even if they would, I can just buy a new toilet for what they want for a bowl. Another promising idea bites the dust.
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #7

    Aug 12, 2017, 10:27 AM
    I did find this cross reference site though

    https://www.plumbingsupply.com/kohle...ine.html#k3427

    Indicates a highline may work. Models # K-3427 & K-11450*

    ***they seem to have been discontinues******
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #8

    Aug 12, 2017, 12:12 PM
    From my experience - it is LOT cheaper to go to HD and pick up a brand new Kohler Wellworth Lite, ULF toilet. Comes with seat, bolts, and wax ring - all for $119.00. Just purchased one yesterday

    Or go with Glacier Bay toilet for $89.00

    The other choice would be to try to match the bowl to the tank - but that is something I would never attempt to do, again. Learned that lesson many times before

    Hope that helps

    Milo

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