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    Ivy Yang's Avatar
    Ivy Yang Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 4, 2012, 10:26 PM
    Verfity the gas size pipe?
    I install the water heater, the inspector requires to verify the gas size pipe and provide the isd metric, please show me how?? I need help...
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jun 4, 2012, 11:28 PM
    If you need to provide the ID, you will need to get to an open pipe and use a pair of calipers that can measure ID.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Jun 5, 2012, 06:02 AM
    We don't use much gas in my area but the gas water heaters we've installed are piped with either black iron pipe or soft copper at 3/4" (19.05 mm)ID. Does that help? Cheers. Tom
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