1. Unvented gas fireplaces may be installed in habitable rooms other than bathrooms and sleeping rooms provided
a) The appliance is listed.
b) The habitable room is an unconfined space.
c) The appliance is installed in accordance with manufacturers' instructions.
2. Unvented gas fireplaces may be installed in sleeping rooms provided that:
a) The sleeping room is an unconfined space.
b) The unvented gas fireplace is set in the wall.
c) The appliance is equipped with an oxygen depletion safety shutoff system.
d) The input rating of the appliance does not exceed 10,000 Btu/hr.
e) The appliance is installed in accordance with manufacturers' instructions.
f) An approved carbon monoxide detector is installed inside the sleeping room and is energized by the permanent electrical wiring present inside the sleeping room.
3. Unvented gas fireplaces may be installed in bathrooms provided that:
a) The bathroom is an unconfined space.
b) The unvented gas fireplace is set in the wall.
c) The appliance is equipped with an oxygen depletion safety shutoff system.
d) The input rating of the appliance does not exceed 6,000 Btu/hr.
e) The appliance is installed in accordance with manufacturers' instructions.
f) An approved carbon monoxide detector is installed inside the bathroom and is energized by the permanent electrical wiring present inside the bathroom.