Gas Fireplaces
P121-P131 Gas Fireplace
P121 - P121LC/RC - P131 Zero Clearance Direct Vent Gas Fireplace
Model
P121/P131-NG2
P121/P131-LP2
Fuel Type
Natural Gas
Propane
Minimum Supply Pressure
Manifold Pressure - High
Manifold Pressure - Low
Orifice Size
5” W.C. (1.25 kPa)
3.8” W.C. (0.95 kPa)
1.1” W.C. (0.27 kPa)
#31 DMS
12” W.C. (3.00 kPa)
11” W.C. (2.74 kPa)
2.9” W.C. (0.72 kPa)
#50 DMS
Minimum Input
20,500 BTU/h (6.01 kW)
40,000 BTU/h (11.72 kW)
4” Inner / 6-5/8” Outer
20,600 BTU/h (6.04 kW)
39,000 BTU/h (11.43 kW)
4” Inner / 6-5/8” Outer
Maximum Input
Vent Sizing
Approved Venting Systems
Flex Vent Systems:
FPI AstroCap™ Flex Vent
Rigid Pipe Vent Systems:
Simpson Dura-Vent® Direct Vent GS
American Metal Products Ameri Vent
Security Secure Vent®
Selkirk Direct-Temp.
M
N
O
P
P121 See Thru
P131 Pier
Greyed out framing will not apply to all units.
Please refer to the manual.
Electrical
Inlet
Gas Line
BACK
Inlet
P121RC Right Corner
P121LC Left Corner
L
B
F
G
I
H
D
J
8”
Non-Combustible
Material
C
Top of
Unit
*
Combustible
Material
E
A
K
Extension
Trim
3”
Unit Dimensions
Description
P121
P121LC/RC
P131
43-1/2”
(1105mm)
41-1/2”
(1054mm)
41-1/2”
(1054mm)
A
Front Face Width
46-1/4”
(1175mm)
44-1/2”
(1130mm)
44-1/2”
(1130mm)
B
Total Firebox Width
Framing Dimensions Description
P121
P121LC/RC
P131
45”
(1143mm)**
45”
(1143mm)**
46-3/4”
C
D
Front Face Height
Height w/ Standoff
36” (914mm)
42” (1067mm)
36” (914mm)
42” (1067mm)
36” (914mm)
42” (1067mm)
H
Framing Width
(1187mm)
42-1/2”
(1080mm)
42-1/2”
(1080mm)
42-1/2”
(1080mm)
I**
Framing Height **
26-13/16”
(681mm)
E
F
Unit Depth
25” (635mm)
25” (635mm)
26-13/16”
(681mm)
J**
Framing Depth**
25” (635mm)**
25” (635mm)**
21-1/8”
(537mm)
21-1/8”
(537mm)
21-1/8”
(537mm)
Top Offset Depth
Inset to Standoff
K
L
Vent Centerline Height
Framed Chase Ceiling
Electrical Inlet Height
42-13/16” (1072mm)
48-1/4” (1226mm)
2” (51mm)
4-3/4”
(121mm)
4-3/4”
(121mm)
G
3” (76mm)
M
2” (51mm)
2” (51mm)
If the provided 3” extension trim is not installed the P121(LC/RC)/
P131 must be installed with non-combustible facing up to 8” above
the fireplace. Otherwise combustible facing may be used above the
extension trim.
11-3/8”
13-5/16”
(338mm)
11-3/8”
N
O
P
Electrical Inlet Inset
(289mm)
(289mm)
1-11/16”
(43mm)
1-11/16”
(43mm)
Gas Connection Height
Gas Connection Inset
1-5/8” (41mm)
11-1/2”
(292mm)
11-1/2”
(292mm)
11-1/2”
(292mm)
Please refer to Page 11 (Exterior Vent Terminations)
for additional guidelines on vent locations.
** Refer to the manual for variations effected by finishing material
thickness.
June 2007 Regency Product Specifications Book
69
Gas Fireplaces
P121-P131 Gas Fireplace
Regency Direct Vent System (Flex)
Snorkel Terminations
Horizontal Terminations Only
Snorkel Terminations:
These venting systems, in combination with the P121/P131 Direct Vent
GasFireplace,havebeentestedandlistedasadirectventheatersystem
by Warnock Hersey. The location of the termination cap must conform
to the requirements in the Vent Terminal Locations diagram.
For installations requiring a vertical rise on the exterior of the building,
14-inch and 36-inch tall Snorkel Terminations and the Riser Vent are
available. Follow the same installation procedures as used for standard
Horizontal Termination. NEVER install the snorkel upside down.
FPI Direct Vent (Flex) System Termination Kits include all the parts
needed to install the P42 using a flexible vent.
Riser Vent
Termination
FPI Kit #
Length Contains:
#946-513
2 Feet
4 Feet
10 Feet
1) 6-5/8” flexible liner (Kit length)
Dura-Vent
Snorkel
2) 4” flexible liner (Kit length)
3) spring spacers (3)
4) thimble (2)
#946-515
#946-516
Notes:
Min. 12"*
(305mm)
5) AstroCap termination cap (1)
6) screws (12)
Min. 6-1/4"*
(159mm)
7) tube of Mill Pac (1)
8) plated screws (8)
9) S.S. screws #8 x 1-1/2” drill point, (4)
1) Liner sections should be continuous without any joints or seams.
2) Only Flex pipe purchased from Regency may be used for Flex
installations.
3) Horizontal sections must be supported every 3 feet.
Below Grade Snorkel Installation (Dura-Vent Only)
If the Snorkel Termination must be installed below grade, i.e. basement
application, proper drainage must be provided to prevent water from
entering the Snorkel Termination. Refer to Rigid Pipe Installation
instructions for details. Do not attempt to enclose the Snorkel within the
wall, or any other type of enclosure.
Dura-Vent
Snorkel
Alternate Horizontal
Termination Caps
Window
Well
Adequate
drainage
Alternate:
Gravel
Horizontal
Riser Vent
Terminal
Part# 640-530/P
June 2007 Regency Product Specifications Book
71
Gas Fireplaces
P121-P131 Gas Fireplace
Rigid Pipe Venting
Vertical Venting with One (1) 90° Elbow
Horizontal or Vertical Terminations
Two 45° elbows = One 90° elbow
Vertical
Terminal
Option
A)
V
H
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
Storm Collar
Part # 953
1’ Min.
2’ Min.
3’ Min.
4’ Min.
2’ Max.
4’ Max.
6’ Max.
8’ Max.
Vinyl Siding
Standoff (Optional)
(Part #950)
Total horizontal sections must not
exceed 8 feet.
Flashing
943 or 943S
B)
C)
Ceiling Firestop
(Part # 963)
Horizontal
Termination Cap
Part# 946-523/P
Minimum of 1 foot between 90°
elbows is required.
D)
Wall Thimble
(Part # 942)
(Required in
Pipe Length
Adj.Pipe Length
11" - 14-5/8"
Canada)
90o Elbow
Pipe
Length
Alternate Horizontal
Termination Caps
45o Elbow
Rigid Pipe Adapter
(Part #510-994)
Alternate:
Horizontal
Riser Vent
Terminal
Part# 640-530/P
Venting Arrangements - Vertical
Terminations
Rigid Pipe System
(Propane & Natural Gas)
The P121 /131 is approved for a maximum 35 ft. straight vertical, with
Rigid Pipe vent systems for Propane and Natural Gas.
IMPORTANT
When installing this unit vertically, the 45˚ elbow when installed in
conjunction with the Rigid Pipe Adapter will protrude past the unit 1-½”
(38mm) when measured from the rear standoffs.
•
•
•
Vent must be supported at offsets.
Horizontal sections must be supported every 3 feet.
Firestops are required at each floor level and whenever
passing through a wall.
Note: A 1-¼” (32mm) clearance from the elbow must also be
•
•
Maintain clearances to combustible materials.
Minimum of 1’ pipe section between elbows.
maintained.
45o Elbow
Rigid Pipe
Adapter
Note: Must use optional flue adapter when using Rigid Pipe (Part
# 510-994).
1-1/2”
(38mm)
45° Elbow
Rigid Pipe Adapter
Part # 510-994
72
June 2007 Regency Product Specifications Book
Gas Fireplaces
P121-P131 Gas Fireplace
Vertical Venting with Two (2) 90° Elbows
- Initial vertical section.
Vertical Venting with Three (3) 90°
Elbows - Initial vertical section.
Two 45° elbows = One 90° elbow
Two 45° elbows = One 90° elbow
Option
A)
V+ V1
1’ Min.
2’ Min.
3’ Min.
4’ Min.
5’ Min.
6’ Min.
H
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
Option
A)
V+ V1
2’ Min.
3’ Min.
4’ Min.
5’ Min.
H + H1
3’ Max.
6’ Max.
9’ Max.
12’ Max.
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
4’ Max.
6’ Max.
9’ Max.
12’ Max.
15’ Max.
17’ Max.
Total horizontal sections must
not exceed 17 feet.
Total horizontal sections must not
exceed 12 feet.
B)
B)
C)
C)
Minimum of 1 foot between
90° elbows is required.
Minimum of 1 foot between 90°
elbows is required.
D)
D)
E)
E)
Vertical Venting with Two (2) 90° Elbows
- Initial horizontal section.
Vertical Venting with Three (3) 90°
Elbows - Initial horizontal section.
Two 45° elbows = One 90° elbow
Two 45° elbows = One 90° elbow
Option
A)
H + H1
2’ Max.
4’ Max.
6’ Max.
8’ Max.
V
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
1’ Min.
2’ Min.
3’ Min.
4’ Min.
Option
A)
V+ V1
2’ Min.
3’ Min.
4’ Min.
5’ Min.
H
H + H1 Maximum total pipe: length, of
Total horizontal sections must
not exceed 8 feet.
Minimum of 1 foot between
90° elbows is required.
B)
all sections, must not exceed
1’ Max.
4’ Max.
6’ Max.
8’ Max.
2’ Max.
5’ Max.
8’ Max.
12’ Max.
37 feet.
C)
Total horizontal sections must
not exceed 12 feet.
Minimum of 1 foot between 90°
elbows is required.
B)
D)
C)
D)
June 2007 Regency Product Specifications Book
73
Gas Fireplaces
P121-P131 Gas Fireplace
Horizontal Venting with One (1) 90°
Elbow
Venting Arrangements - Horizontal
Terminations
Two 45° elbows = One 90° elbow
This diagram shows allowable venting configurations using one 45°.
Option
A)
V
H
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
Note: Must use optional flue adapter (Part # 770-994) when using
Rigid Pipe.
1’ Min.
2’ Min.
3’ Min.
4’ Min.
5’ Min.
6’ Min.
3’ Max.
6’ Max.
9’ Max.
12’ Max.
15’ Max.
17’ Max.
Total horizontal sections must
not exceed 17 feet.
Minimum of 1 foot between
90° elbows is required.
B)
•
•
•
Maintain clearances to combustibles.
C)
Horizontal vent must be supported every 3 feet.
Firestops are required at each floor level and whenever passing
through a wall.
D)
E)
F)
Avent guard should be used whenever the termination is lower than the
specified minimum or as per local codes.
Note: FPIDirectVentSystem(Flex)isonlyapprovedforhorizontal
terminations.
74
June 2007 Regency Product Specifications Book
Gas Fireplaces
P121-P131 Gas Fireplace
Horizontal Venting with Two (2) 90°
Horizontal Venting with Three (3) 90°
Elbows - Initial vertical section.
Elbows - Initial vertical section.
Two 45° elbows = One 90° elbow
Two 45° elbows = One 90° elbow
Option
A)
V
H+ H1
2’ Max.
5’ Max.
8’ Max.
11’ Max.
14’ Max.
15’ Max.
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
Option
A)
V+ V1
2’ Min.
3’ Min.
4’ Min.
5’ Min.
H + H1
3’ Max.
6’ Max.
9’ Max.
12’ Max.
Maximum total pipe: length,
of all sections, must not
exceed 37 feet.
Total horizontal sections
must not exceed 12 feet.
Minimum of 1 foot between
90° elbows is required.
1’ Min.
2’ Min.
3’ Min.
4’ Min.
5’ Min.
6’ Min.
Total horizontal sections must
not exceed 15 feet.
B)
B)
C)
C)
Minimum of 1 foot between
90° elbows is required.
D)
D)
E)
F)
Horizontal Venting with Three (3) 90°
Elbows - Initial horizontal section.
Two 45° elbows = One 90° elbow
Horizontal Venting with Two (2) 90°
Elbows - Initial horizontal section.
Two 45° elbows = One 90° elbow
Option
A)
H
V
H + H1 + H2 Maximum total pipe: length, of
all sections, must not exceed
Option
A)
H
V
H + H1
3’ Max.
6’ Max.
9’ Max.
12’ Max.
Maximum total pipe: length, of
all sections, must not exceed
37 feet.
1’ Max.
3’ Max.
5’ Max.
7’ Max.
2’ Min.
3’ Min.
4’ Min.
5’ Min.
3’ Max.
6’ Max.
9’ Max.
12’ Max.
37 feet.
1’ Max.
3’ Max.
5’ Max.
8’ Max.
1’ Min.
2’ Min.
3’ Min.
5’ Min.
Total horizontal sections must
not exceed 12 feet.
Minimum of 1 foot between
90° elbows is required.
B)
Total horizontal sections must
not exceed 12 feet.
Minimum of 1 foot between
90° elbows is required.
B)
C)
C)
D)
F)
June 2007 Regency Product Specifications Book
75
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