44 | Bellavista® B36XTCE-11 Gas Fireplace
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 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 2-1/4"
opening ,1-5/8"opening and to 1-1/16" opening.
Note: Must use optional flue 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)
00
22
44
66
4040
88
1010
1212
1414
1616
1818
2020
2222
2424
2626
2828
3030
Vertical Height (Feet)
3232
3434
3636
3838
66
88
Horizontal (Feet)
22
00
44 1010
1212
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
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