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N.G. pipe size

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bill_105
bill_105 Member Posts: 428
in Gas Heating
Hi, Could you give an explanation on the two pipe size charts. One is for a pressure drop of .3 water and the other is .5, And which one do you use?

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  • Tim McElwain
    Tim McElwain Member Posts: 4,656
    Most use the .3

    you could check with your local gas utility to see what they use. The .5 will give you a little larger margin as to capacity.
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