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Thread: Which size of angle supply 1/2" or 3/8" for lavatory faucet installation?

  1. #1
    DIY Junior Member project42day's Avatar
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    Jul 2012
    Niagara Region Canada

    Default Which size of angle supply 1/2" or 3/8" for lavatory faucet installation?

    I do not know which size of angle supply 1/2 inch or 3/8 inch to buy to install with a new Kohler Bancroft monoblock lavatory faucet.Kohler K-10579-4-SN Bancroft Monoblock Lavatory Faucet With Escutcheon And Lever Handles. I called Kohler and they said they did not know. Any direction please. This is a remodel in a 1938 house. Thank you

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    Aug 2004
    Bothell, Washington
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    3/8" compression

  3. #3
    Moderator & Master Plumber hj's Avatar
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    Aug 2004
    Cave Creek, Arizona


    ALL lavatory faucets have restricted flow so the 3/8" supplies will give more than adequate flow.
    Licensed residential and commercial plumber

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