B41XTCE 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
VENTING ARRANGEMENTS
FOR HORIZONTAL TERMINATIONS
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.
VENTING ARRANGEMENTS
FOR VERTICAL TERMINATIONS
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.
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
• 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 2-1/4" opening ,1-5/8"opening and
to 1-1/16" opening.
Note: Must use optional flue adapter when using Rigid
Pipe (Part # 770-994..
