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Vent & intake lengths - is it a combined length?

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bryanbdp
bryanbdp Member Posts: 2
in Gas Heating
The Rinnai M120C manual has charts for twin pipe installation using sched 40 pvc. Max is 30 ft of equivalent length. But, is that for each of the two pipes, or combined i.e. each pipe would be limited to 15ft total?

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  • Ironman
    Ironman Member Posts: 7,376
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    The manual should define that.

    Are you referring to 2” pipe or 3”?
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.

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