Section 323.14. Gas vents.

 

(1)   General.

(a) All gas-fired equipment shall be provided with vent pipes conforming with s. SPS 323.15 (2) (e) , unless the manufacturer specifies other materials.

(b) Plastic pipes and fittings used in venting flue gas shall bear the manufacturer's identification data.

(2)   Dryer venting.

(a)

1. All venting for clothes dryers, including for electric dryers, shall be rigid and smooth-walled. The connection to the dryer shall be made in accordance with the manufacturer's recommendations.

2. Gas-fired clothes dryers shall be provided with metal venting.

(b) Where dryer vent piping is concealed, a rigid metal vent pipe conforming with s. SPS 323.15 (2) (e) shall be used.

(3)   Venting system location.

(a) A venting system shall terminate at least 3 feet above any forced air inlet located within 10 feet horizontally. This provision does not apply to the combustion air intake of a direct-vent appliance.

(b) The venting system of other than a direct-vent appliance shall terminate at least 4 feet below, 4 feet horizontally from, or one foot above any door, window, or gravity air inlet into any building. The bottom of the vent shall be located at least 12 inches above grade.

(c) The vent terminal of a direct-vent appliance with an input of 10,000 Btu per hour or less shall be located at least 6 inches from any air opening into a building.

(d) The vent terminal of a direct-vent appliance with an input over 10,000 Btu per hour but not over 50,000 Btu per hour shall be located at least 9 inches from any air opening into a building.

(e) The vent terminal of a direct-vent appliance with an input over 50,000 Btu per hour shall be located at least 12 inches from any air opening into a building.

(f) The bottom of the vent terminal and the air intake of a direct-vent appliance shall be located at least 12 inches above grade.

(g) The exit terminal of a mechanical draft system shall be not less than 7 feet above grade where located within 3 feet of a public walkway that is intended for use by the general public.

History: Cr. Register, November, 1979, No. 287 , eff. 6-1-80; correction made under s. 13.93 (2m) (b) 7., Stats., Register, March, 1992, No. 435 ; r. and recr., Register, November, 1995, No. 479 , eff. 12-1-95; cr. (3), Register, March, 2001, No. 543 , eff. 4-1-01; CR 02-077 : am. (2) (a) Register May 2003 No. 569 , eff. 8-1-03; correction in (1), (2) (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672 ; CR 15-041 : renum. (1) to (1) (a), cr. (1) (b), renum. (2) (a) to (2) (a) 2. and am., cr. (2) (a) 1. Register December 2015 No. 720 , eff. 1-1-16.

Note

Note: Section SPS 322.39 (6) requires all dryer venting to terminate outside the structure. Microsoft Windows NT 6.1.7601 Service Pack 1