
There are six exceptions listed for paragraph 303.3. These six exceptions allow gas appliances in these prohibited locations when specific conditions are met. These exceptions are:
- Exception #1 allows a direct-vent appliance.
- Exception #2 allows vented room heaters, wall furnaces, vented decorative appliances, vented gas fireplace heaters, and decorative appliances installed in vented solid fuel-burning fireplaces that meet the volume criteria of Section 304.5.
- Exception #3 allows unvented room heaters meeting specified criteria in bathrooms.
- Exception #4 allows unvented gas appliances meeting the specified criteria.
- Exception #5 allows appliances to be installed in adjacent rooms that open to a bedroom or bathroom if these rooms are weather-stripped and have a self-closing door.
- Exception #6 allows a clothes dryer to be installed in a bathroom if certain criteria are met.
- The unvented gas appliance (one) is a wall-mounted room heater.
- The unvented, wall-mounted, gas room heater is equipped with an oxygen depletion safety shutoff system, as required by Section 621.6.
- The unvented, wall-mounted, gas room heater has an input rating of not more than 10,000 Btu/hr.
- The room is large enough to provide adequate combustion air as described in Section 304.5.
Just be aware that, in jurisdictions where the International Fuel Gas Code is adopted, the presence of a sleeper sofa may mandate compliance with the restrictions for gas appliances in sleeping rooms/bedrooms.
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