Montigo PCPR8 Installation & Maintenance Manual page 34

* Based on CGA B149.1 Natural
Gas and Propane Installation Code.
Local codes may vary, please check
with local regulatory agency.
**Based on ANSI Z223.1/NFPA 54
National Fuel Gas Code. Local
codes may vary, please check with
local regulatory agency.
+ A vent shall not terminate
directly above a sidewalk or paved
driveway which is located between
2 single family dwellings and
serves both dwellings.
++ Permitted only if veranda/
porch/deck/balcony is fully open
on a minimum of 2 sides
beneath the floor.
Inline / Flush Mount Terminations
A Clearance above grade, veranda, porch, or balcony
B Clearance to top of doors or operable windows
C Clearance to sides or bottom of doors or operable windows
D Clearance to permanently closed window when installed with approved gas penetration termination
E Recommended clearance to permanently closed window to prevent condensation
F Clearance to soffit
G Clearance to outside corner
H Clearance to inside corner
I Clearance to the vertical centerline of a meter or regulatory assembly to a max vertical distance of 15 feet
J Clearance to service regulator vent outlet
K Clearance to non-mechanical air supply inlet to the building or combustion air inlet for another appliance
L Clearance above forced air supply inlet or Montigo combustion air termination
M Clearance to sides or bottom of Montigo combustion air termination
N Clearance above paved sidewalk or paved driveway located on public property
P+ Clearance under veranda, porch, deck, or balcony
Q++ Clearance above roof
R Clearance to adjacent walls and neighbouring buildings
S Clearance from corner in recessed location
T Maximum depth of recessed location
U Maximum width for back wall of recessed location
V Horizontal clearance between two terminations
W From finished grade to bottom of combustion air intake
34
R
Q
F
D
G
V Fixed
E
closed
L
C
C
N
VV
A
Power vent termination
Location
U
H
T
S
M
B M
C
Fixed
C
Openable
closed
Combustion air termination
Canada*
30 inches
4 feet
36 inches
Not Required
30 inches
22 inches
Not Required
6 inches
3 feet
3 feet
3 feet
3 feet
6 inches
7 feet
12 inches
2 feet
30 inches
30 inches
48 inches
60 inches
12 inches
12 inches
Appendix
P
K
I
V
I
J
USA**
30 inches
4 feet
12 inches
Not Required
30 inches
22 inches
Not Required
6 inches
3 feet
3 feet
3 feet
3 feet
6 inches
7 feet
12 inches
2 feet
30 inches
30 inches
48 inches
60 inches
12 inches
12 inches
XG0799 - 081319