Regency L900-1 User Manual

Page of 48
Regency
®
 L900-1 Direct Vent Gas Fireplace
22
INST
ALLA
TION
VENTING ARRANGEMENTS 
ALLOWABLE VERTICAL TERMINATIONS
The shaded area in the diagram shows all allowable combinations of straight vertical and offset to vertical terminations, using two 90
o
 elbows, with 
Rigid Pipe Venting Systems for Propane and Natural Gas.  Two  45
o  
elbows equal to one 90
o
 elbow.  Maximum of four 45
o
 elbows allowed.
•   Vent must be supported at offsets.
•   Firestops are required at each fl oor level and whenever passing through a wall.
•   Maintain clearances to combustibles as listed in the "Clearances" section.
•  Refer to the "Vent Restrictor Position" section for details on how to change the vent restrictor from the factory setting of 
Set 1 to Set 2 or Set 3 if required.
Note:  Must use optional fl ue adapter when using Rigid Pipe (Part # 770-994).
INSTALLATION