UpCodes logo
Go To Full Code Chapter
A furnace plenum supplied as a part of a furnace shall be installed in accordance with the manufacturer's instructions. [NFPA 54:]

Related Code Sections

M1601.5.3 Duct Systems, Furnace Connections
A duct shall extend from the furnace supply outlet to not less than 6 inches (152 mm) below the combustible framing. This duct shall comply ...