Professor, Thanks for your helpful reply. I've already taken some of your advice since posting my initial question, and I appreciate what you say...
CIRCA1860Member since 08/30/05
Can anyone tell me if air admittance valves are permissible for secondary venting under the current version of the Uniform Plumbing Code published ...
I am in the process of renovating the pantry in my CIRCA 1860 home. While tearing out the deteriorated plaster and lath, I exposed the plumbing f...