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  1. #1
    dan orourke's Avatar
    dan orourke Guest

    Default Water supply lines in attic

    Last edited by dan orourke; 01-02-2008 at 07:46 AM.
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  2. #2
    Join Date
    Mar 2007
    Fletcher, NC

    Default Re: Water supply lines in attic

    Quote Originally Posted by dan orourke View Post
    Is it a requirement for water heaters' water supply lines to be insulated?
    Oklahoma City is shown as having a 13 degree design winter temperature degree day, which is less than 32 degrees.

    Being as those lines are outside the thermal insulated envelope, yes, insulation (or heat - or both) is required.

    Jerry Peck
    Construction/Litigation/Code Consultant - Retired


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