27
*
55-1/2”
(1410 mm) with 12”
v
e
nt pipe
43”
(1093 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
12” pipe section
14-1/2”
(369 mm)
37”
(940 mm)
*
45”
(1143 mm)
Stand-off
9-3/8”
(238 mm)
19-1/4”
(489 mm)
Fireplace -
Left Side View
43”
(1093 mm) t
o
underside of c
ombustible ca
vit
y
2-1/2”
(64 mm)
14-1/2”
(369 mm)
36-1/2”
(927 mm)
*
47-1/2”
(1207 mm)
*
58”
(1473 mm) with 12”
v
e
nt pipe
9-3/8”
(238 mm)
19-1/4”
(489 mm)
Fireplace -
Left side view
12” pipe section
Venting Considerations—Vertical Takeoff
Venting Considerations—Horizontal Takeoff
*
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 12 inches vertical pipe section
required within vent system either right
off unit or downstream after horizontal
run. Refer to venting chart on page 29 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 effective pipe lengths
subtract approximately 1-1/2 inch for
pipe joint - for example, a 12 inches pipe
section will add approximately 10-1/2
inches overall.
Framing Requirements
QUALIFIED
INSTALLER
