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Regency
®
L900 Direct Vent Gas Fireplace 19
INSTALLATION
VENTING ARRANGEMENTS
ALLOWABLE HORIZONTAL TERMINATIONS
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90
o
two 45
o
elbows equal one 90
o
elbow).
Note: Must use optional rigid pipe adapter (Part# 770-994) when using Rigid Pipe Venting Systems.
• 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.
VENT RESTRICTOR SETTING:
Vent restrictor at 0" - factory set, no adjustment required unless otherwise indicated.
Refer to the "Vent Restrictor Position" section for details on how to change the vent restrictor to Set 1, Set 2 or Set 3 if required.
A vent guard is required when the AstroCap is installed above grade at 7 feet or lower.
A vent guard may also be required in other installations as per local codes, refer to "Exterior Vent Termination Requirements" section
for details.
Note: Regency
®
Direct Vent System (Flex) is only approved for horizontal terminations.
INSTALLATION
IMPORTANT NOTE
• The Simpson Dura-Vent and Selkirk Direct Temp horizontal termination caps
cannot be used in any applications.
• Only the AstroCap XL and Snorkels are certifi ed for horizontal terminations.
* A Vent Guard is required when the AstroCap
is installed above grade at 7 feet or lower.