10 | U900E-11 Gas Fireplace
Venting Arrangement for Vertical Terminations
Vertical Venting with One(1) 90
o
Elbows (1 - 90
o =
2 - 45
o
) with straight Vertical and or a maximum offset using
2 - 90
o
elbows
The shaded area in the diagram shows all allowable combinations of straight vertical and offset to vertical terminations, using one 90
o
elbow, with Rigid
Pipe Venting Systems
.
Two 45
o
elbows equal to one 90
o
elbow.
• Vent must be supported at offsets.
• Minimum distance between elbows is 1 ft. (305mm).
• Maintain clearances to combustibles as listed in the
"Clearances" section.
• Horizontal vent must be supported every 3 feet.
• Firestops are required at each floor level and whenever
passing through a wall.
• Must use optional rigid pipe adaptor (Part# 510-994.
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 to Set 1 or Set 2 if required.
U900E-11 Gas Fireplace
