Regency L676E-NG User Manual

Page of 48
Regency
®
 L676E Direct Vent Gas Fireplace
19
INST
ALLA
TION
VENTING ARRANGEMENTS 
ALLOWABLE HORIZONTAL TERMINATIONS
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90
o
 two  45
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:
NG Units;
 Vent restrictor at Set 0 - factory set, no adjustment required unless otherwise indicated.
LP Units; Vent restrictor at Set 1 - 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 maybe required 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