Regency P121RC User Manual

Page of 40
Regency P121-1/P121LC-1/P121RC-1/P131-1 Zero Clearance Direct Vent Gas Fireplace
17
INSTALLATION
VENTING ARRANGEMENTS - VERTICAL TERMINATIONS
SIMPSON DURA-VENT DIRECT VENT GS SYSTEM
 
(Propane & Natural Gas)
Vent must be supported at offsets
Maintain clearances to combustibles as listed on page 9.
Firestops are required at each floor level and whenever passing through a wall.
Must use optional flue adapter when using Simpson Dura-Vent pipe (Part# 510-994).
The P121-1/P121LC-1/P121RC-1/P131-1 is approved for a maximum 35 ft. (10.7m) straight vertical, with Simpson Dura-Vent Direct Vent GS
vent systems for Propane and Natural Gas, as per diagram 7 below.
Diagram 7
Straight Up Vertical Venting
Vertical Venting with One (1) 90
o
 Elbow
Option
V
H
     A)
1'  (305mm)  Minimum
2' (610mm) Maximum
     B)
2'  (610mm)  Minimum
4'  (1.22m)  Maximum
     C)
3'  (914mm)  Minimum
6'  (1.86m)  Maximum
     D)
4'  (1.22m)  Minimum
8'  (2.4m)  Maximum
With the above options, maximum total pipe length if 37 feet with
minimum of 4 feet total vertical and maximum 8 feet total horizontal.
Please note minimum 1 foot between 90
o
 elbows is required.
Diagram 8
IMPORTANT
When installing this unit vertically, the 45
  elbow when installed in
conjunction with the Simpson Dura-Vent Adaptor will pertrude past the
unit 1-1/2" (38mm) when measured from the rear standoffs.
Note: A 1-1/4" (32mm) clearance from the elbow must also be maintained.