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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Figure 13
LENNOX HEARTH PRODUCTS • MONTEBELLO
®
SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • INSTALLATION INSTRUCTIONS
26-3/16
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3-15/32
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19-17/32
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46-19/32
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7 (178)
50-1/2
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29-19/32
(752)
12-5/16
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5-3/32
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41-1/2
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33-3/4
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34-3/4
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13-3/32
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25-9/32
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7-5/16
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J-Box
Gas Inlet
Control Switch
Wires Knock-Out
Fireplace Vent Collar
8" Inner / 11" Outer
Top View
Front View (opposite valve access side)
Fireplace Dimensions
(shown with Outdoor Kit installed)
Left Side View
inches
(millimeters)
inches
(millimeters)
inches
(millimeters)
FIREPLACE DIMENSIONS
(shown with Outdoor Kit installed)
FIREPLACE COLLAR AND VENT SIZE
Fireplace Vent Collar and Vent Pipe (Coaxial DV) 8" Inner / 11" Outer
NOTE: All venting/termination systems (vertical and horizontal)
require installation of the provided Vent Restrictor. See Page 14
for details.