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510.1.13 Single Run of Vent

2021 Oregon Plumbing Specialty Code > 5 Water Heaters > 510.0 Sizing of Category I Venting Systems > 510.1 Single Appliance Vent Table 510.1.2(1) Through Table 510.1.2(6) > 510.1.13 Single Run of Vent

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In a single run of vent or vent connector, more than one diameter and type shall be permitted to be used, provided that all the sizes and types are permitted by the tables. [NFPA 54:13.1.14]

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