All mechanical appliances, fireplaces, solid fuel-burning appliances,
cooking appliances and water heating appliances shall be properly
installed and maintained in a safe working condition and shall be
capable of performing the intended function.
All cooking and heating equipment, components and accessories
in every heating, cooking and water heating device shall be maintained
free from leaks and obstructions.
All fuel-burning equipment and appliances shall be connected
to an approved chimney or vent.
Exception: Fuel-burning equipment and appliances which are labeled
for unvented operation.
All required clearances to combustible materials shall be maintained.
All safety controls for fuel-burning equipment shall be maintained
in effective operation.
A supply of air for complete combustion of the fuel and for
ventilation of the space containing the fuel-burning equipment shall
be provided for the fuel-burning equipment.
Devices intended to reduce fuel consumption by attachment to
a fuel-burning appliance, to the fuel supply line thereto or to the
vent outlet or vent piping therefrom shall not be installed unless
labeled for such purpose and the installation is specifically approved.