Regency P121 - Manual (Page 18)

Regency ® P121-2/P121LC-2/P121RC-2/P131-2 Zero Clearance Direct Vent Gas Fireplace 18
Option V H
A) 1' (305mm) Minimum 3' (914mm) Maximum
B) 2' (610mm) Minimum 6' (1.86m) Maximum
C) 3' (914mm) Minimum 9' (2.7m) Maximum
D) 4' (1.22m) Minimum 12' (3.6m) Maximum
E) 5' (1.5m) Minimum 15' (4.5m) Maximum
F) 6' (1.86m) Minimum 17' (5.1m) Maximum
With the above options, maximum total pipe length if 37 feet
with minimum of 6 feet total vertical and maximum 17 feet total
horizontal.
Please note minimum 1 foot between 90
o elbows is required.
INSTALLATION
RIGID PIPE VENTING ARRANGEMENTS
HORIZONTAL TERMINATIONS
REGENCY DIRECT VENT SYSTEM (FLEX) (Propane & Natural Gas)
The diagram below shows examples of horizontal termination arrangements using one, two, or three 90 o elbows (two 45 o elbows equal one 90 o
elbow).
Note:
1) A maximum of three 90
o elbows are permitted.
2) Minimum distance between elbows is 1 ft. (305mm).
• Maintain clearances to combustibles as listed in the "Clearances" section.
• Horizontal vent must be supported every 3 feet.
• Firestops are required at each fl oor level and whenever passing through a wall.
• Must use optional rigid pipe adaptor (Part# 510-994) when using rigid pipe vent systems.
• A vent guard should be used whenever the termination is lower than the specifi ed minimum or as per local codes.
Straight Out Horizontal Venting Horizontal Venting with One (1) 90 o Elbow
Diagram 1
Diagram 2
Please note the minimum centerline for
basic install shown above.
All Rigid Pipe Systems
4" inner diameter
6-5/8" outer diameter