John Wood Takagi - 910 User Manual
Page 10
10
Vent Clearances
INSIDE CORNER
DET
AIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
Vent terminal
Air supply inlet
Area where is not permitted
Gas meter / regulator
Canada
Direct vent and other than Direct Vent
A
Clearance above grade, veranda, porch, deck, or balcony.
1 foot
30.5cm
B Clearance to window or door that may be opened
3 feet
91.5cm
C
Clearance to permanently closed window
*
D
Vertical clearance to ventilated soffit located above the vent termi-
nator within a horizontal distance of 2 feet (61cm) from the center
line of the terminator.
*
E
Clearance to unventilated soffit
*
F
Clearance to outside corner
*
G
Clearance to inside corner
*
H
Clearance to each side of center line extended above meter/regula-
tor assembly
3 feet
91.5cm
I
Clearance to service regulator vent outlet.
3 feet
91.5cm
J
Clearance to non-mechanical air supply inlet to building or the com-
bustion air inlet to any other application
3 feet
91.5cm
K
Clearance to mechanical air supply inlet.
6 feet
1.8m
L
Clearance above paved sidewalk or paved driveway
located on public property.
7 feet
2.1m
M
Clearance under veranda, porch deck, or balcony.
1 foot
30.5cm
* For clearances not specified in CSA-B149.1, please use clearances in accordance with local installation codes and
the requirement of the gas supplier.