Field glossaryDry ventA vent pipe that carries only air and never drainage; every wet-vented group still needs oneUsed across 2 Anvilfield field guides, most in Plumbing. Where this shows upPlumbingWet venting and common vent guidePlumbingDWV venting and pipe sizing guide Related termsAAVDFUTrap armWet ventDeveloped lengthTrap sealWeir Back to the full field glossary