(a) All living quarters and service rooms shall be provided with
properly installed, operable heating equipment capable of maintaining a
temperature of at least 68 deg. F. if during the period of normal
occupancy the temperature in such quarters falls below 68 deg..
(b) Any stoves or other sources of heat utilizing combustible fuel
shall be installed and vented in such a manner as to prevent fire
hazards and a dangerous concentration of gases. No portable heaters
other than those operated by electricity shall be provided. If a solid
or liquid fuel stove is used in a room with wooden or other combustible
flooring, there shall be a concrete slab, insulated metal sheet, or
other fireproof material on the floor under each stove, extending at
least 18 inches beyond the perimeter of the base of the stove.
(c) Any wall or ceiling within 18 inches of a solid or liquid fuel
stove or a stovepipe shall be of fireproof material. A vented metal
collar shall be installed around a stovepipe, or vent passing through a
wall, ceiling, floor or roof.
(d) When a heating system has automatic controls, the controls shall
be of the type which cut off the fuel supply upon the failure or
interruption of the flame or ignition, or whenever a predetermined safe
temperature or pressure is exceeded.
[45 FR 14182, Mar. 4, 1980; 45 FR 22901, Apr. 4, 1980]