Installation And Clearances (Vent-Free Operation Only) - Desa VS18NV Owner's Operation And Installation Manual

Unvented (vent-free) natural gas log heater
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INSTALLING
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10

INSTALLATION AND CLEARANCES (Vent-Free Operation Only)

Maintain the minimum clearances. If you can, provide greater clear-
ances from floor, ceiling, and adjoining wall.
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
Log Size
18", 24", 30"
LOG SIZING REQUIREMENTS
Log
Minimum Firebox Size
Size
Height
18"
17"
24"
17"
30"
17"
Carefully follow the instructions below. This will ensure safe installation into a
masonry or U.L. listed manufactured fireplace.
Minimum Wall and Ceiling Clearances (see Figure 5)
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.
Figure 5 - Minimum Clearance to Wall and Ceiling
WARNING
Side Wall
Ceiling
16"
42"
Depth
Front Width
14"
20"
14"
26"
14"
32"
42"
16"
Floor
5"
Rear Width
14"
18"
22"
102652

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