B41XTCE-11 Gas Fireplace
16
2
2
0
0
12
12
6
6
18
4
47-1/2"
(1207mm)
Minimum
Height
Requirement
4
14
8
8
10
10
14
16
18
20
Vertical Height (Feet)
Horizontal (Feet)
Restrictor 1-1/2” Open
Set 3
Restrictor 2-1/2” Open
Set 2
Restrictor 3-1/2” Open
Set 1
FOR VERTICAL TERMINATIONS
Minimum 8’
(2.4m)
Min. 47-1/2”
(1.2m)
0
2
4
6
40
8
10
12
14
16
18
20
22
24
26
28
30
Vertical Height (Feet)
32
34
36
38
6
8
Horizontal (Feet)
2
0
4
10
12
Restrictor 1-1/2” Open
Maximum 10’ Centerline to Centerline
Restrictor 2-1/2” Open
Maximum 8’ Centerline to Centerline
Restrictor 3-1/2” Open
Set 2
Set 3
Set 1
FOR HORIZONTAL TERMINATIONS
VENTING ARRANGEMENTS
The shaded area in the diagram shows all allowable combinations of
straight vertical and offset to vertical terminations, using two 90
o
elbows,
with
Rigid Pipe Venting Systems
for Propane and Natural Gas. Two
45
o
elbows equal to one 90
o
elbow. Maximum of four 45
o
elbows allowed.
•
Vent must be supported at offsets.
•
Firestops are required at each floor level and whenever passing
through a wall.
•
Maintain clearances to combustibles as listed in the "Clearances"
section.
•
Refer to the "Vent Restrictor Position" section for details on how to
change the vent restrictor from the factory setting to 3-1/2" opening,
2-1/2"opening and to 1-1/2" opening.
Note:
Must use Rigid Pipe Adaptor (770-994) when using rigid pipe.
The diagram shows all allowable combinations of vertical runs with
horizontal terminations, using one 90
o
(two 45
o
elbows equal one 90
o
elbow).
•
Maintain clearances to combustibles as listed in "Clearances" section
•
Horizontal vent must be supported every 3 feet.
•
Firestops are required at each floor level and whenever passing
through a wall.
•
A wall thimble is mandatory for all horizontal terminations due to
high temperatures.
Gas Fireplaces
