Section 323.11. General requirements.

 

(1)   Types of chimneys and vents. All heating appliances using solid, liquid or gas fuels shall be vented to the outside by an all-fuel factory-built, masonry chimney or other listed venting system designed to remove the products of combustion.

(2)   Termination.

(a) Chimneys. All listed factory manufactured chimneys depending on a principle of gravity for the removal of the products of combustion shall terminate at the location specified in the product listing. For masonry chimneys or where termination location is not specified as a part of the listing, the chimney shall extend at least 3 feet above the highest point where the chimney passes through the roof of the building, and at least 2 feet higher than any ridge, peak, wall, or roof within 10 feet horizontally of the chimney.

(b) Vents. Gas and oil appliance vents shall terminate in locations specified in their listings.

(3)   Sizing. Vents for new or replacement equipment shall be sized to adequately exhaust combustion products from the dwelling.

History: Cr. Register, November, 1979, No. 287 , eff. 6-1-80; renum. (intro) to (2) to be (1) to (3) and am. (1), Register, February, 1985, No. 350 , eff. 3-1-85; r. (3), Register, January, 1989, No. 397 , eff. 2-1-89; am. (2), Register, March, 1992, No. 435 , eff. 4-1-92 ; cr. (3), Register, November, 1995, No. 479 , eff. 12-1-95.

Note

The department recommends vent sizing in accordance with NFPA 54, National Fuel Gas Code or its appendix. Microsoft Windows NT 6.1.7601 Service Pack 1