Installation
Continued
installation and clearances for vent-free operation
WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall.
MINIMUM FIREPLACE
CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size | 18", 24", 30" |
Side Wall | 16" |
Ceiling | 42" |
Floor | 5" |
LOG SIZING REQUIREMENTS |
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| Minimum Firebox Size |
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Log |
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Size | Height | Depth | Width | Width | ||||
18" | 17" | 14" | 24" | 20" | ||||
24" | 17" | 14" | 28" | 22" | ||||
30" | 24" | 17 | 1 | 2 | 42" | 28 | 3 | 4 |
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*Measured at 14" depth |
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Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127- listed manufactured fireplace or listed
Minimum Clearances For Side
Combustible Material, Side Wall and
Ceiling
A. Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 4.
Example: The face of a mantel, bookshelf, etc. is made of combustible material and protrudes 3 1/2" from the wall. This combus- tible material must be 4" from the side of the fireplace cabinet (see Figure 4).
Note: When installing your gas logs into a manufactured firebox, follow firebox manufacturer’s instructions for minimum clearances to combustible materials.
B. Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.
Example |
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*Minimum 16 inches from Side Wall
Figure 4 - Minimum Clearance for
Combustible to Wall
Minimum Noncombustible Material
Clearances
If Not Using Mantel
Note: If using a mantel, proceed to If Using Mantel. If not using a mantel, follow the informa- tion below.
You must have noncombustible material(s) above fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncombustible material behind it. Noncombus- tible material must extend at least 8" up (for all models). If noncombustible material is less than 12", you must install the fireplace hood accessory 24" and 30" models only). See Figure 5, page 10, for minimum clearances.
If Using Mantel
You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncombustible material behind it. Noncombus- tible material must extend at least 8 inches up (for all models). If noncombustible material is less than 12", you must install the fireplace hood accessory. Even if noncombustible material is more than 12", you may need the hood accessory to deflect heat away from your mantel shelf. See Figures 5, 6 and 7, page 10, for minimum clearances.