Drainage, Waste & VentQuestion 83 of 360
A single wet vent may serve fixtures within a maximum of how many bathroom groups?
a.1
b.3
c.2
d.4
Explanation
The CPC allows a wet vent to serve any combination of fixtures within a maximum of two bathroom groups on the same floor. Limiting it to one group is stricter than the code allows, and three or four groups exceed the wet-vent limit and require additional venting.
Law Reference: 2022 California Plumbing Code (CPC) §908.0Practice all 360 questions free — no signup required.
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