Owner`s manual

Letter Canadian Installation
1
US Installation
2
Description
A 12in (30cm) Clearance above grade, verandah, porch, deck, or balcony.
B 12in (30cm) 9in (23cm) Clearance from window or door that may be opened.
C 12in (30cm)* Clearance from permanently closed window (to prevent
condensation).
D 24in (60cm)* Vertical clearance to ventilated soft located above the
terminal within a horizontal distance of 2 ft (60cm) from
center line of terminal.
E 18in (45cm)* Clearance to unventilated soft.
F 12in (30cm)* Clearance to outside corner.
G 12in (30cm)* Clearance to inside corner.
H 3ft (91cm) within a height of
15ft (4.5m) above the meter/
regulator assembly
3ft (91cm) within a height of
15ft (4.5m) above the meter/
regulator assembly*
Clearance to each side of center line extended above
meter/regulator assembly.
I 3ft (91cm) 3ft (91cm)* Radially clearance around service regulator vent outlet.
J 12in (30cm) 9in (23cm) Clearance to non-mechanical air supply inlet to building, or
the combustion air inlet to any other appliance.
K 6ft (1.83m) 3ft (91cm) above if within 10ft
(3m) horizontally
Clearance to mechanical air supply inlet
L 7ft (2.13m)
t
7ft (2.13m)*
t
Clearance above paved sidewalk or paved driveway located
on public property
M 12in / 30cm
+
12in / 30cm*
+
Clearance under verandah, porch, deck, or balcony
1
In accordance with the current CSA B149, Natural Gas and Propane Installation Code.
2
In accordance with the current ANSI Z223.1 NFPA 54, National Fuel Gas Code.
* These numbers are only estimates. Clearance in accordance with installation codes and the requirements of the gas supplier.
t
A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and it serves
both dwellings.
+
Permitted only if verandah, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.
NOTE: Venting terminals shall not be recessed into walls or siding.
Figure 15. Vent Termination Restrictions
vent joint, and Mil-Pac to each inner joint. When planning an installation it will be necessary to select the proper
length of vent pipe for the particular requirements. It is important to note that, when passing a pipe through a wall,
1in clearance on the sideds and bottom, and 2in top clearance to combustibles must be maintained.
Initial Installation
QUALIFIED INSTALLERS ONLY
A
A
D
E
L
B
C
F
B
B
B
J
M
K
G
H
I
Openable
Fixed
Closed
Openable
Fixed
Closed
Termination Cap
Air Supply Inlet
Gas Meter
G
G
Restriction Zone
(Termination not allowed)
14