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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
pipe venting systems for propane and natural gas. Two 45
0 0
2 2
40 40
38 38
36 36
34 34
32 32
30 30
28 28
26 26
Restrictor 1-1/2" Open
Set 3
24 24
22 22
20 20
Restrictor 2-1/2" Open
18 18
Set 2
16 16
14 14
12 12
10 10
8 8
Maximum 10' Centerline to Centerline
6 6
4 4
2 2
0 0
Maximum 8' Centerline to Centerline
•
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 optional flue adapter when using Rigid Pipe (Part # 770-994)
o
elbows equal to one 90
Horizontal (Feet)
4 4
6 6
10 10
12 12
8 8
Restrictor 3-1/2" Open
Set 1
o
elbow. Maximum of four 45
o
elbows allowed.
Regency Bellavista
installation
elbows, with rigid/flex
o
B41XTE -11 Gas Fireplace
®
|
43
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