Section 323.13. Factory-built chimneys or vents.

  Factory-built chimneys or vents shall be of an approved type.

(1)   Residential type and building heating appliance. An approved "residential type and building heating appliance" chimney may be used with liquid or gas-fired heating appliances where the flue gas temperature does not exceed 1000 ° F continuously, and does not exceed 1400 ° F for infrequent brief periods of forced firing.

(2)   Type "B". An approved type "B" gas vent may be used with a vented, recessed wall heater.

(3)   Type "BW". An approved type "BW" gas vent may be used with a vented, recessed wall heater.

History: Cr. Register, November, 1979, No. 287 , eff. 6-1-80; am. (1), Register, March, 1992, No. 435 , eff. 4-1-92.

Note

The department recognizes as approved, factory-built chimneys or vents designated as "residential type and building heating appliance," "building heating appliance," "B," "BW," and "L" types listed by Underwriters' Laboratories, Inc. Microsoft Windows NT 6.1.7601 Service Pack 1