
11
INSTALLING – Clearances
INSTALLATION
CLEARANCES (VENT FREE
APPLICATION ONLY)
Minimum noncombustible material above fire-
place opening must be no less than shown in
the figures above. Noncombustible materials
(slate, marble, tile, etc.) must be at least 1/2”
thick, if sheet metal is used, you must have a
noncombustible material behind it.
IMPORTANT:
If these minimum clearances
are not possible or if local codes do not permit
vent-free operation, you must operate the
heater with the damper open.
MANTEL m
FIGURE 6 – Installation Clearances
Minimum Fireplace Dimensions
Front width
Back Width
Height
Depth
For GLMVF38/GLMVF40
34”
34”
19 1/2”
19 1/2”
MANTEL CLEARANCES (Vent Free Operation Only)
Minimum non-combustible material above fireplace opening must be no less than shown in the figures above. Non-com-
bustible materials (slate, marble, tile, etc.) must be at least 1/2” thick. If sheet metal is used, you must have a non-com-
bustible material behind it.
IMPORTANT:
If these minimum clearances are not possible or if local codes do not permit vent free operation, then you
must operate the heater with the damper open.
Содержание GLMVF38MVN
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