33.1-14-07-10. Flue connections.

Each gas-fired boiler must be equipped with a four inch [10.16 centimeter] vent pipe or flue extended to an approved location outside the building or connected to a chimney flue. If the horizontal run is more than ten feet [3.05 meters], the vent must be increased to six inches [15.24 centimeters]. A draft hood of approved design must be provided on each boiler.

History: Effective July 1, 2020. General Authority: NDCC 23.1-16-07 Law Implemented: NDCC 23.1-16-07