Installation instructions
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
26
Required other than direct vent terminal clearances (single pipe penetration)
Fig. 11
Canadian installations
1)
with non direct vent
U.S. installations
2)
with
non direct vent terminals
A
Clearance above grade, veranda, porch, deck or balcony.
12 in. (30cm)
12 in. (30cm)
B
Clearance to window or door that may be opened.
36 in. (91cm)
48 in. (1.2 m) below or to
side of opening; 12 in.
C
Clearance to permanently closed window
*
*
D
Vertical clearance to ventilated soffit located above the terminal
within a horizontal distance of 2 feet (61cm) from the center line
of the terminal
*
*
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/
regulator assembly
36 in. (91cm) within a
height 15 ft (4.6m) above
the meter/ regulator
assembly
*
I
Clearance to service regulator vent outlet
36 in. (91cm)
*
J
Clearance to nonmechanical air supply inlet to building or the
combustion air inlet to any other appliance
36 in. (91cm)
48 in. (1.2m) below or to
side of opening; 1 ft
(300mm) above opening
K
Clearance to mechanical air supply inlet
6 ft (1.83 m)
36 in. (91cm) above if within
10 ft (3m) horizontally
L
Clearance above paved sidewalk or paved driveway located on
public property
7 ft (2.13m)
3)
*
M
Clearance under veranda, porch deck or balcony
12 in (30cm)
4)
*
1) In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code.
2) In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code.
