Fuel-fired appliances shall be designed for use with the type of fuel to which the appliance will be connected and for the altitude at which the appliance is installed. Appliances that are part of a building's mechanical system shall not be converted for use with a different fuel, unless the conversion is approved by the Building Commissioner and the conversion is done in accordance with the manufacturer's instructions. The fuel input rate shall not be increased or decreased beyond the limit rating for the altitude at which the appliance is installed.
(Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1; Amend Coun. J. 9-14-21, p. 35949, Art. III, § 1)