Regency Indoor Fireplace P121 P131 LP2 User Guide

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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