Termination Locations; Vent Termination Minimum Clearances - Heatilator NDI30-C Owner's Manual

6 6

Termination Locations

A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Maintain vent clearance to combustibles as
specifi ed.
• DO NOT pack air space with insulation or
other materials.
Failure to keep insulation or other materials
away from vent pipe may cause fi re.
2 FT.
20 INCHES MIN.
MIN.
DISCHARGE
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
* 3 foot minimum in snow regions
Figure 6.1 Minimum Height From Roof To Lowest Discharge
Opening
20 Heatilator • NDI30-C, NDI30-SP, NDI35-C, NDI35-SP, NDI30-SPFK, NDI35-SPFK • 2226-901 Rev. K • 11/12
HORIZONTAL
OVERHANG
VERTICAL
WALL
LOWEST
OPENING
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
H (Min.) Ft.