SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

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Two private 1.6-gpf bathroom groups on the same floor are wet-vented on one horizontal wet vent. The wet-vented DFU load is 10. Using Table 912.3, what is the minimum wet-vent pipe size?

1-1/2 inches 2 inches 2-1/2 inches 3 inches

Correct Answer:

3 inches

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