Regency Bellavista B36XT Medium Gas Fireplace - Manual (Page 31)

Regency Bellavista™ B36XT Gas Fireplace
31
INSTALLATION
VENTING ARRANGEMENTS FOR VERTICAL TERMINATIONS
RIGID PIPE 4" X 6-5/8"
(MUST USE REDUCER PART # 946-606 & 770-994 RIGID PIPE ADAPTOR)
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 2-14" opening ,1-5/8"opening and to 1-1/16" 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.
49”
(1.2m)
Maximum:
25
ft.
(7.6m)
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 1-1/16” Open
No Restrictor
Maximum 10’ Centerline to Centerline
Restrictor 1-5/8” Open
Maximum 8’ Centerline to Centerline
Restrictor 2-1/4” Open Set 2
Set 3
Set 1