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The shaded area in the diagram shows all allowable combinations of straight vertical and offset to vertical terminations, using two 90
Rigid Pipe Venting Systems for Propane and Natural Gas. Two 45
•
Vent must be supported at offsets.
•
Firestops are required at each fl oor 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 fl ue adapter when using Rigid Pipe (Part # 770-994).
Regency Bellavista™ B41XTE Gas Fireplace
VENTING ARRANGEMENTS
FOR VERTICAL TERMINATIONS
o
elbows equal to one 90
0
2
4
40
38
36
34
32
30
28
26
Restrictor 1-1/2" Open
Set 3
24
22
20
Restrictor 2-1/2" Open
18
Set 2
16
14
12
Restrictor 3-1/2" Open
10
8
Maximum 10' Centerline to Centerline
6
4
2
0
Maximum 8' Centerline to Centerline
o
elbow. Maximum of four 45
Horizontal (Feet)
12
6
10
8
Set 1
INSTALLATION
o
elbows, with
o
elbows allowed.
29
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