Section 27-807
§ 27-807 Air supply. (a) Oil fuels. The air supply for equipment
burning fuel oil shall comply with the requirements in applicable
standards in reference standard RS-14. Ventilation shall be capable of
providing at least thirty-six cfm of air for each gallon of oil per hour
required to fire the equipment to gross output.
(b) Gas fuels. The air supply for equipment burning gas shall comply
with the requirements of article sixteen of this subchapter.
(c) Solid fuels. The air supply for equipment burning solid fuels
shall comply with those required for burning fuel oil based on Btu
equivalent of the solid fuel.
(d) Mechanical ventilation. If the ventilation for the purpose of
combustion is supplied mechanically, the ventilating system shall be
electrically interlocked with the burner so that when the burner is in
operation, the ventilating system shall maintain the room in which the
equipment is located at a pressure not less than the outdoor atmospheric
pressure.
Section 27-808
§ 27-808 Flue dampers. Dampers in flues shall be constructed so that
they cannot completely cut off the passage of flue gases at any time.
Tight-closing dampers may be installed with approved automatic draft and
combustion controls.