A circuit vent is installed to serve a battery of six lavatories. According to the 2022 CPC, what is the minimum required size for the circuit vent, provided that the drain is 3 inches in diameter and the vent connects to a vent stack?
A circuit vent is installed to serve a battery of six lavatories. According to the 2022 CPC, what is the minimum required size for the circuit vent, provided that the drain is 3 inches in diameter and the vent connects to a vent stack?