Approvals by State

State

IRC

IPC

UPC

Alabama

L

S, L

6

 

Alaska

L

X

IRC=International Residential Code

Arizona S, L S, L L IPC=International Plumbing Code
Arkansas X X UPC=Uniform Plumbing Code
California X X NSPC=National Standard Plumbing Code
Colorado S, L X
Connecticut X X
Delaware L X
District of Columbia X X X = Effective Statewide
Florida X X L = Adopted by Local Governments
Georgia X X S = Statewide Adoptions with Limitations
Hawaii X, L A = Adopted
Idaho X X P = AAV Product Approval
Illinois L L
Indiana X X
Iowa S, L L X Note: Plumbing codes are subject to change. Please verify with your local code officials before installing Air Admittance Valves.
Kansas L L
Kentucky X
Louisiana X
Maine X X
Maryland X L
Massachusetts X
Michigan X X
Minnesota X
Mississippi S, L S, L
Missouri S, L S, L X
Montana X X
Nebraska S, L L
Nevada S, L L X
New Hampshire X X
New Jersey X
New Mexico X L X
New York X X
North Carolina X X
North Dakota S, L X
Ohio A X
Oklahoma S, X S, X
Oregon X X
Pennsylvania X X
Rhode Island X X
South Carolina X X
South Dakota L X
Tennessee X L
Texas X L L
Utah X X
Vermont L X
Virginia X X
Washington X L X
West Virginia X X
Wisconsin X, P
Wyoming S, L L X