How Do I Install Common Venting for GQ-C61? Updated on October 8, 2024 Tagged: Commercialcommon ventVenting Was this article helpful? Yes No Related Articles Can I use the Noritz PVC Concentric Termination vertically through the roof? Can I vent through my chimney? How far should combustible material be spaced from venting? Is a horizontal section required for all vent runs that terminate vertically? Can I use the Noritz VT4-TS or VT4-TL termination for vertical termination? EZ98 and EZ111 Venting Options