// CODE SNIPPET
911.0 Decorative Appliances for Installation in Vented Fireplaces
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Decorative appliances for
installation in vented fireplaces shall not be installed in bathrooms
or bedrooms unless the appliance is listed and the bedroom
or bathroom has the required volume in accordance with
Section 701.4. [NFPA 54:10.6.1] [OSHPD 1, 1R, 2, 4 & 5] A vented decorative appliance shall not be located in any hospital,
skilled nursing facility, intermediate care facility, or correctional treatment center.
A decorative appliance for installation
in a vented fireplace shall be installed only in a vented fireplace having a working chimney flue and constructed of noncombustible
materials. These appliances shall not be
thermostatically controlled. [NFPA 54:10.6.2]
For SI units: 1 foot = 304.8 min, 1000 British thermal units per hour = 0.293 kW, 1 square inch = 0.000645 m2
MINIMUM PERMANENT FREE OPENING (square inches)* | |||||||
---|---|---|---|---|---|---|---|
CHIMNEY HEIGHT (feet) | 8 | 13 | 20 | 29 | 39 | 51 | 64 |
APPLIANCE INPUT RATING (Btu/h) | |||||||
6 | 7800 | 14000 | 23200 | 34000 | 46400 | 62400 | 80000 |
8 | 8400 | 15200 | 25200 | 37000 | 50400 | 68000 | 86000 |
10 | 9000 | 16800 | 27600 | 40400 | 55800 | 74400 | 96400 |
15 | 9800 | 18200 | 30200 | 44600 | 62400 | 84000 | 108800 |
20 | 10600 | 20200 | 32600 | 50400 | 68400 | 94000 | 122200 |
30 | 11200 | 21600 | 36600 | 55200 | 76800 | 105800 | 138600 |
* The first six minimum permanent free openings [8 square inches (0.005 m2) to 51 square inches (0.03 m2)] correspond to the cross-sectional areas of chimneys
having diameters of 3 inches (76 mm) through 8 inches (203 mm), respectively. The 64 square inch (0.04 m2) opening corresponds to the cross-sectional
area of a standard 8 inch (203 mm) by 8 inch (203 mm) chimney tile.
A listed decorative appliance for installation in a vented fireplace shall
be installed in accordance with its listing and the manufacturer's
installation instructions.
An unlisted decorative appliance for installation in a vented fireplace
shall be installed in a fireplace having a permanent free
opening, based on appliance input rating and chimney
height, equal to or greater than that specified in Table 911.2. [NFPA 54:10.6.2.3]
A fireplace screen shall be installed
with a decorative appliance for installation in a vented fireplace. [NFPA 54:10.6.3]
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