Direct Connection
NYC Mechanical Code § MC 707
in effectSection MC 707: Direct Connection
707.1 General.
Fuel-burning appliances that are listed and labeled for direct combustion air connection to the outdoors shall be installed in accordance with the manufacturer's instructions.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-194754Fetched: 10/24/2026
