Desa FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LPGAS LOG HEATER - Manual (Page 10)

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INSTALLING
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INSTALLATION AND CLEARANCES (Vent-Free Operation Only)
Figure 4 - Minimum Clearance to Wall and Ceiling
WARNING
Maintain the minimum clearances. If you can, provide greater clear-
ances from floor, ceiling, and adjoining wall.
LOG SIZING REQUIREMENTS
Log Minimum Firebox Size
Size Height Depth Front Width
18" 17" 14" 20"
24" 17" 14" 26"
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
Log Size Side Wall Ceiling
18” and 24" 16" 42"
Carefully follow the instructions below. This will ensure safe installation into a
masonry, U.L. listed manufactured fireplace, or AGA design certified vent-free
firebox listed for use with these models.
Minimum Wall and Ceiling Clearances (see Figure 4)
A. Clearances from the side of the fireplace opening to any combustible wall
should not be less than 16 inches.
B. Clearances from the top of the fireplace opening to the ceiling should not be
less than 42 inches.
42"
16"
Left and Right
Sides