Regency City Series Manual page 18

Venting Arrangement for Vertical Terminations - 5" x 8" (127 mm x 203 mm) Rigid and Flex Pipe
(Non Power Vent)
The shaded area in the diagram shows all allowable combinations
of straight vertical and offset-to-vertical terminations, using two
90 elbows with rigid/flex pipe venting systems.
o
• Two 45 elbows equal to one 90
o
• Vent must be supported at offsets.
• Minimum distance between elbows is 1 ft. (305 mm).
• Maintain clearances to combustibles as listed in the
"Clearances" section.
• Horizontal vent must be supported every 3 feet (0.9 m).
• Firestops are required at each floor level and whenever
passing through a wall.
• Must use optional rigid pipe adaptor (Part# 770-994) when
using rigid pipe vent systems.
• Refer to the "Vent Restrictor Position" section for details on
how to change the vent restrictor from the factory setting
of Set 0 through to Set 5, if required.
For vertical terminations, the Regency Direct Vent Flex System
may be used for installations with a maximum vent length of
up to 40 feet including offsets. If longer runs are required,
rigid pipe must be used. If no offsets are used, the maximum
run is per the chart on this page.
18 | City Series CV50E Direct Vent Gas Fireplace
elbow.
o
Min. length of pipe
between elbows: 12"
(305 mm)
Vent Restrictor on
Set 5: 3/4" (23 mm)
open
Vent restrictor on
Set 4: 1-1/2" (38 mm)
open
Set 3: 2-3/8" (60 mm)
open