13
Existing chimney height:
• Minimum: 10 ft (3.05 m) Maximum: 35 ft (10.67 m)
Determine Length of Existing Chimney
1. Remove and discard existing chimney cap.
2.
It is helpful to have two people complete this step. Position one person at the fireplace
and another person at the top of the chimney.
3.
Measure from the fireplace base to the top of the chimney.
4. Subtract the height of the insert from the previous measurement. This is the total length of
the co-linear flexible aluminum pipe required for your installation.
MIN:
10 ft (3.05m)
MAX:
35 ft (10.67 m)
Vent Termination Clearances
This appliance must not share or be connected to a chimney flue serving any other appliance.
TERMINATION LOCATION
•
Approved vent caps require 12 in (305mm) clearance to intersecting walls, overhangs or eaves as verified by test.
INSTALLATION
12
x
H
LOWEST
DISCHARGE
OPENING
APPROVED CAP
APPROVED
VENT PIPE
ROOF PITCH = x/12
H - MINIMUM HEIGHT FROM ROOF TO
LOWEST DISCHARGE OPENING
MINIMUM
12” (.30m)
Vertical Vent Cap Clearance
Minimum Height (H) From Roof
Roof Pitch
Feet
Meters
Flat to 6/12
1.0
0.30
Over 6/12 to 7/12
1.25
0.38
Over 7/12 to 8/12
1.5
0.46
Over 8/12 to 9/12
2.0
0.61
Over 9/12 to 10/12
2.5
0.76
Over 10/12 to 11/12
3.25
0.99
Over 11/12 to 12/12
4.0
1.22
Over 12/12 to 14/12
5.0
1.52
Over 14/12 to 16/12
6.0
1.83
Over 16/12 to 18/12
7.0
2.13
Over 18/12 to 20/12
7.5
2.27
Over 20/12 to 21/12
8.0
2.44
