-2-
heater must be a minimum of 18" above the
finished floor.
16. A vent-free gas heater will increase the
amount of humidity in the room in which it
is installed.
17. A fresh air opening for combustion and
ventilation air must be provided in the room
where the heater is installed. The opening
must have at least one square inch of free
air opening per 1,000 Btu/hr of gas
consumption for the total input rating of all
gas equipment in the space.
18. This heater shall not be installed in a room
or space unless the required volume of
indoor combustion air is provided by the
method described in the
National Fuel Gas
Code,
ANSI
Z223.1/NFPA
54
,
the
International Fuel Gas Code
, or applicable
codes.
19.
WARNING:
If the area in which the heater
may be operated does not meet the
required volume for indoor combustion air,
combustion and ventilation air shall be
provided by one of the methods described in
the
National Fuel Gas Code
, ANSI Z223.1 /
NFPA 54, the
International Fuel Gas Code
, or
applicable local codes.
