(A) Direct-fired heat producing equipment and the enclosure in which it is located shall be provided with a supply of air adequate both for complete combustion at the rated gross output of the equipment and for the ventilation of the enclosure to prevent the accumulation of heat.
(B) Rooms containing fuel-burning equipment shall have such air supply provided by means of one or more openings to the exterior, or by means of fixed openings to interior spaces which open to the exterior.
(Prior Code, § 19-188) (Ord. 312, passed 3-25-1963) Penalty, see § 171.999