Venting Arrangements Horizontal Termination; Horizontal Venting With Two (2) 90; Elbows - Regency Bellavista B36X Owners & Installation Manual

INSTALLATION

VENTING ARRANGEMENTS HORIZONTAL TERMINATION

(MUST USE REDUCER PART # 946-606 & 770-994 RIGID PIPE ADAPTOR)
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90
0 2 4
18
16
14
12
10
8
6
4
49"
(1245mm)
2
Minimum
Height
Requirement
0
One 90 elbow = Two 45
o
Option V H + H1
A) 0' Min. 2' Max.
B) 1' Min. 3' Max.
C) 2' Min. 4' Max.
D) 3' Min. 5' Max.
E) 4' Min. 6' Max.
F) 5' Min. 7' Max.
G) 6' Min. 8' Max.
Vent Restrictor Set at 2" Opening
Lengths do not include elbow indicated.
Must use reducer # 946-606 and rigid pipe adaptor #770-994.
28
(RIGID PIPE 4" X 6-5/8")
Horizontal (Feet)
8
6
10 12
Restrictor 1" Open
Restrictor 2" Open

HORIZONTAL VENTING WITH TWO (2) 90

(RIGID PIPE 4" X 6 - 5/8")
H1

elbows.

o
W i t h t h e s e o p t i o n s ,
maximum total pipe length
is 30 feet with minimum
of 6 feet total vertical
and maximum 8 feet total
horizontal.
Please note minimum 1
foot between 90 elbows
o
is required.
77''7'
14 16
18 20
ELBOWS
O
o two 45 o elbows equal one 90
ALL RIGID PIPE SYSTEMS
4" INNER DIAMETER
6-5/8" OUTER DIAMETER
• Maintain clearances to combustibles
as listed in "Clearances" section
• Horizontal vent must be supported
every 3 feet.
• Firestops are required at each fl oor
level and whenever passing through a
wall.
• A wall thimble is mandatory for all
horizontal terminations due to high
temperatures.
Regency Bellavista™ B36X Gas Fireplace
o elbow).
V