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Main vent sizing

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Pete123
Pete123 Member Posts: 22
in Strictly Steam
How do I know what is the proper size for my main vents? 35? 75? 77? Which is used in what scenario?

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  • Paul48
    Paul48 Member Posts: 4,469
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    If

    you were to post the size and length of each main, someone will help you out with answer.
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