Hearth & Home Technologies be-36-c User Manual

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Hearth & Home Technologies   •  BE-36-C, BE-36-CIPI  •  397-981 Rev. V  1/07
10
A.  Vent Termination Minimum Clearances
Fire Risk.
Explosion 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.
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
Figure 4.2  Minimum Height from Roof to Lowest Discharge 
Opening
Termination Locations
4
Measure horizontal clearances from this surface.
Measure vertical clearances from this surface.
Figure 4.3  Multiple Vertical Termination
Figure 4.2 specifi es minimum vent heights for various 
pitched roofs.
(See Figure 4.4 for specifi c clearances)
* 3 foot minimum in snow regions
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
C
A
GAS
TERMINATION
B
GAS,  WOOD OR FUEL
OIL TERMINATION
WARNING
Gas
Termination
Wood & Fuel Oil
Termination
Comments
A
6 in.
20 in. min.
Horizontal distance between terminations
B
20 in.
24 in. min.
Distance to perpendicular wall
C
18 in.
18 in. 
Vertical distance between terminations
Î
Î