Venting Arrangements For Horizontal Terminations; Vent Restrictor Position - Regency City CB72EPV-LP Owners & Installation Manual

installation
40
38

Venting Arrangements for Horizontal Terminations

36
RIGID PIPE: MUST USE RIGID PIPE ADAPTOR 770-994 AND 946-606 PIPE REDUCER TO 4" X 6 5/8"
Note: Rigid pipe is approved for up to 72 feet.
34
FLEX VENT: MUST USE REDUCER 946-758 TO 4" X 6 5/8"
Note: Flex pipe is approved for up to 40 feet using 2 X 946-756-- 20 foot flex kits.
32
The gas power vent system is designed to allow the installation of a gas appliance when typical vent configurations (shown in this manual) are not possible.
Note: The CB72EPV comes with a 5"inner and 8"outer collar which must be reduced to 4" x 6 5/8" in all applications. Must be terminated horizontally. Verti-
30
cal terminations are not permitted.
28
2 4 6 8 10
0
40
26
38
36
24
34
32
22
30
28
26
20
24
22
18
20
18
16
16
14
14
12
10
12
8
(shown with 5 - 90º elbows)
6
4
10
2
0
-2
-3 Ft. max.
-4
-6
-8

Vent Restrictor Position

-3 Ft. max.
No Vent Restrictor Required for the CB72EPV
56 | City Series CB72EPV
2 4
0
12 14 16 18 20 22 24 26 28
72' overall length Max.
(shown with 5 - 90º elbows)
Restrictor – Fully Open
72' overall length Max.
8
6
Shown with 2 elbows (negative run 72')
4
2
0
-2
-4
-6
-8
Set 0
Fully open
Factory Set
3 1 8 "
6 8 10 12
Horizontal (Feet)
30 32 34 36 38 40 42 44 46
72' run (no rise)
72' overall length Max.
(shown with 5 - 90º elbows)
Important: Minimum overall vent run must be 4 feet.
Maximum total vent length = 72' maximum of six - 90° elbows permitted.
One 90° elbow = two 45° elbows.
Maximum total negative vent length = 7'.
Note: Maximum length of 72 feet is based on overall length of combined chimney components.
14 16 18 20
48 50 52 54 56 58 60 62 64
22 24 26 28
72' overall length Ma
66 68 70 72
(shown with 5 - 90º elb
Restrictor – Fully O
S