Montigo MD44 DV - Manual (Page 9)

Page 9 Part No. XG0120
MD44-DV Direct Vent Vented Fireplace
Installation
Rear Vent Venting Runs
The MD44-DVRV has three possible installations:
1. Straight Installation.
The height from the hearth to the center of the termination is
33". MD44-DV Rear Vent versions are supplied with an 20"
extension pipe (PEXT-20) with female/female connections. For
shorter installations, cut the PEXT-20 to the desired length.
For extended installations, use the PEXT-20 section as supplied
for an 18" vent run.
Note: For Rear Vent models, maximum horizontal run with no
vertical lift must never exceed 20".
3. 45° Corner Installation.
Use a 45° elbow, and a termination (and frame, if appropriate).
PEL-45
PTKO Series
Termination
Fireplace
Collar
Figure 16. Straight installation.
Figure 17. Corner installation.
4. Corner Installation - 45° or less.
Use a PFL-1 or -2 flex section (12" or 24" compressed length) and
a termination (and frame, if appropriate). Flex may be turned to
obtain desired degree of angle required but must not exceed 45°.
See diagram below:
Figure 18. Flex installation.
PTKOFL-12/-18
Termination
Fireplace
Collar
Flue Collar
Heat Shield
EXT-18
Termination
PEXT-20
Rear Vent
PFL-1 / PFL-2