15
Installation Planning
Framing
*
67-1/2”
(1715 mm) with 24”
v
ent pipe
48”
(1219 mm) t
o underside of c
ombustible ca
vit
y
Min 1”
(25.4 mm)
Required
clearance
to vertical
pipe is
within
stand-off
space
Minimum 24” pipe section
between elbows
14-1/2”
(369 mm)
37”
(940 mm)
Stand-
off
9-3/8”
(238 mm)
24-1/8”
(613 mm)
Fireplace -
Left Side View
Venting Considerations—Vertical Takeo
ff
*
Notes—ALL venting considerations
• Dimensions of venting are based on using Dura-Vent
elbows. Elbow curve radius dimensions will vary
when using other brands. In general, other brands
have slightly bigger radius.
• Minimum 24 inches vertical pipe section required
right at unit. Refer to venting chart on page 30 for
allowable horizontal runs.
• 3 inches clearance to combustibles required above
horizontal pipe. Slope horizontal pipe upwards 1/4
inch per foot. 1 inch clearance required around sides
and bottom of horizontal pipe and around vertical
pipe.
• When calculating e
ff
ective pipe lengths subtract ap-
proximately 1-1/2 inch for pipe joint - for example, a
12 inches pipe section will add approximately 10-1/2
inches overall.
