Majestic • MER36MN, MER42MN Installation Manual • 2599-980 Rev. B • 5/23
26
B. Vent Termination Minimum Clearances
Roof Pitch
H (Min.) Ft
Flat to 6/12...........................................................1.0*
Over 6/12 to 7/12 .................................................1.25*
Over 7/12 to 8/12 .................................................1.5*
Over 8/12 to 9/12 .................................................2.0*
Over 9/12 to 10/12 ...............................................2.5*
Over 10/12 to 11/12 .............................................3.25
Over 11/12 to 12/12 .............................................4.0
Over 12/12 to 14/12 .............................................5.0
Over 14/12 to 16/12 .............................................6.0
Over 16/12 to 18/12 .............................................7.0
Over 18/12 to 20/12 .............................................7.5
Over 20/12 to 21/12 .............................................8.0
Figure 4.1 Minimum Height From Roof to Lowest
Discharge Opening
HORIZONTAL
OVERHANG
VERTICAL
WALL
GAS DIRECT VENT
TERMINATION CAP
12
X
ROOF PITCH
IS X/ 12
LOWEST
DISCHARGE
OPENING
2 FT.
MIN.
20 INCHES MIN.
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
4
4
Termination Location and Vent Information
Fire Risk.
Maintain vent clearance to combustibles as
specified.
•
DO NOT
pack air space with insulation or other
materials.
Failure to keep insulation or other materials away
from vent pipe could cause overheating and fire.
WARNING
Figure 4.2 Staggered Termination Caps
* H minimum may vary depending on regional snowfall.
Refer to local codes.
CAUTION!
Risk of Burns!
Termination caps are HOT,
consider proximity to doors, traffic areas or where people
may pass or gather (sidewalk, deck, patio, etc.). Listed
cap shields available. Contact your dealer.
• Local codes or regulations may require different
clearances.
• Hearth & Home Technologies assumes no responsibility
for the improper performance of the appliance when the
venting system does not meet these requirements.
• Vinyl protection kits are suggested for use with vinyl siding.
• Measure horizontal and vertical termination cap clearances
as noted in Figure 4.3 and 4.4.
Wood or Fuel Oil
Termination Cap
B
*Gas
Termination
Cap
A
A
B
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over
0 in. minimum
* If two gas terminations are present, they may be level (B = 0 inches)
provided A is a minimum of 6 inches.
A. Approved Pipe
WARNING!
Risk of Fire, Delayed Ignition or Asphyxi
-
ation.
This appliance requires a separate vent.
DO NOT
vent to a pipe serving any other appliance.
This appliance is only approved for use with Hearth &
Home Technologies DVP or SLP venting systems. Re
-
fer to Vent Components document included in manual
bag for vent component information and dimensions.
Only use listed decorative termination caps/shrouds with
Hearth & Home Technologies approved venting systems.
DO NOT
mix pipe, fittings or joining methods from differ
-
ent manufacturers.
The pipe is tested to be run inside an enclosed wall.
There is no requirement for inspection openings at each
joint within the wall.
