Installation, Venting arrangements for vertical terminations – Regency Bellavista B41XTE Large Gas Fireplace User Manual
Page 29
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Regency Bellavista™ B41XT Gas Fireplace
29
INSTALLATION
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.
• 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).
Maximum:
35.5
ft.
(10.
m)
8
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
V
ertical
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