27
Regency Bellavista™ B36X Gas Fireplace
VENTING ARRANGEMENTS
ALLOWABLE VERTICAL TERMINATIONS
(MUST USE VENT REDUCER # 946-606 & RIGID PIPE ADAPTOR #770-994)
4" X 6 - 5/8" PIPE VENTING ARRANGEMENTS
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.
Note: The Regency Direct Flex Kits (946-515 and 946-516) cannot be used in conjunction with the vent reducer and rigid pipe adaptor.
Only rigid pipe may be used when 4" x 6-5/8" is ever used.
• 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" opening to 1" opening.
Note: Must use optional fl ue adapter when using Rigid Pipe (Part # 770-994).
INSTALLATION
Maximum: 35.5 ft. (10. m)8
Minimum
8’ (2.4m)
Min. 49”
(1.2m)
Max. 10’ (3m)(centerline to centerline)
Maximum: 19 ft. (5.8m)
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
16 18
14
Restrictor 1” Open
Restrictor 2” Open
Maximum 12’ Centerline to Centerline
