Regency P121 - Manual (Page 20)

Regency ® P121-2/P121LC-2/P121RC-2/P131-2 Zero Clearance Direct Vent Gas Fireplace 20
INSTALLATION
RIGID PIPE VENTING ARRANGEMENTS - VERTICAL TERMINATIONS
(Propane & Natural Gas)
• Vent must be supported at offsets
• Maintain clearances to combustibles as listed in the "Clearances" section.
• Firestops are required at each fl oor level and whenever passing through a wall.
• Must use optional rigid pipe adaptor when using rigid pipe vent systems (Part# 510-994).
The P121-2/P121LC-2/P121RC-2/P131-2 is approved for a maximum 35 ft. (10.7m) straight vertical, with rigid pipe vent systems for Propane
and Natural Gas, as per diagram 7 below.
Straight Up Vertical Venting
Maximum
35
'(10.7m)
Minimum
6
'6
”(2.0m)
45° Elbow
Rigid Pipe Adapter
Part # 510-994
Vertical Venting with One (1) 90 o Elbow
Diagram 8
IMPORTANT
When installing this unit vertically, the 45 o elbow when installed in
conjunction with the Rigid Pipe 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.
Rigid Pipe
Adapter
1-1/2”
(38mm)
45 Elbow o
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 7