Termination Location And Vent Information; Approved Pipe; Vent Termination Minimum Clearances - Heatilator NDV30-IFT Installation Manual

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Termination Location and Vent Information

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. Refer to Sec-
tion 12.A 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 different
manufacturers.
The pipe is tested to be run inside an enclosed wall. There
is no requirement for inspection openings at each joint with-
in the wall.
B. Vent Termination Minimum Clearances
WARNING
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.
2 FT.
20 INCHES MIN.
MIN.
GAS DIRECT VENT
TERMINATION CAP
Roof Pitch
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
* H minimum may vary depending on regional snowfall.
Refer to local codes.
Figure 4.1 Minimum Height From Roof to Lowest Discharge
Opening
Heatilator • NDV30-IFT, NDV33-IFT, NDV36-IFT, NDV36-IFT-NVR, NDV42-IFT Installation Manual • 2620-980 Rev. C • 8/20
HORIZONTAL
OVERHANG
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
H (Min.) Ft
A
6 in. (minimum) up to 20 in.
152 mm/508 mm
20 in. and over
Wood or Fuel Oil
Termination Cap
B
**Gas
Termination
Cap
* If using decorative cap cover(s), this distance may need to be increased.
Refer to the installation instructions supplied with the decorative cap cover.
** If two gas terminations are present, they may be level (B = 0 inches)
provided A is a minimum of 6 inches.
Figure 4.2 Staggered Termination Caps
CAUTION! Risk of Burns! Termination caps are HOT,
consider proximity to doors, traffic areas or where people
may pass or gather (sidewalk, deck, patio,
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.
H=Measure Horizontal Distances from H
V=Measure Vertical Distances from V
V
V
Figure 4.3
B
18 in. minimum
457 mm
0 in. minimum
A *
etc.). Listed
H
H
17