Montigo H42DF - Manual (Page 14)

H*42DF Indoor Gas Fireplace
Page 14 XG0148 - 150204.1
Installation
Heat Shield
96”Min.
120” Max
Figure 13c. Top Vented, wall mounted Retracted Multi-elbow installation.
See Venting Graph for Top vent, wall mounted terminations, Figure 13.
Note: Images are shown without screens for clarity purposes. However,
your fireplace should not be operated without proper installation of
screens.