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Venting Arrangements -
The shaded area in the diagram shows all allowable combinations of straight vertical and offset to vertical terminations, using two 90
pipe venting systems for natural gas. Two 45
Please note min. 1 foot between 90
elbows is required.
•
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 of Set 1 to Set 2 or Set 4 if required.
Note: Must use optional flue adaptor when using
Rigid Pipe (Part # 770-994).
Allowable Vertical Terminations for HZ54E-NG
elbows equal to one 90
o
o
elbow. Maximum of four 45
o
o
0
2
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
Minimum length of pipe
between elbows 12" (305mm)
Regency Horizon ® HZ54E-11 Gas Fireplace
installation
o
elbows allowed.
Horizontal (Feet)
4
6
8
10
Vent Restrictor on Set 4
Vent Restrictor on Set 2
Vent Restrictor on Set 1
(factory setting)
Max. 10' (3m)(centerline to centerline)
elbows, with rigid/flex
18
12
14
16
35
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