Regency Indoor Fireplace U31 User Guide

Gas Inserts  
U31 Regency Gas Insert  
U31 Regency Gas Insert  
Model  
U31-NG2  
U31-LP2  
Fuel Type  
Natural Gas  
5” W.C. (1.25 kPa)  
3.8” W.C. (0.95 kPa)  
1.1” W.C. (0.27 kPa)  
#37 DMS  
Propane  
Minimum Supply Pressure  
Manifold Pressure - High  
Manifold Pressure - Low  
Orice Size -Altitude 0-2000 ft.  
Orice Size - Altitude 2000-4500 ft.  
12” W.C. (2.99 kPa)  
11” W.C. (2.74 kPa)  
2.9” W.C. (0.72 kPa)  
#52 DMS  
#40 DMS  
#53 DMS  
Minimum Input  
Altitude 0-2000 ft. (0-610m)  
14,500 BTU/h  
(4.25 kW)  
13,700 BTU/h  
(4.02 kW)  
Minimum Input  
Altitude 2000-4500 ft. (610-1372m)  
13,000 BTU/h  
(3.81 kW)  
12,400 BTU/h  
(3.63 kW)  
Maximum Input  
Altitude 0-2000 ft. (0-610m)  
30,000 BTU/h  
(8.79 kW)  
27,500 BTU/h  
(8.06 kW)  
Maximum Input  
Altitude 2000-4500 ft. (610-1372m)  
27,200 BTU/h  
(7.97 kW)  
25,000 BTU/h  
(7.33 kW)  
Vent Sizing  
4” B-Vent  
4” B-Vent  
Approved Venting Systems  
Flex Vent Systems:  
FPI AstroCap™ Flex Vent  
Minimum Fireplace Dimensions  
The minimum replace dimensions for the FPI gas replace insert are  
A
G
shown in the following diagrams:  
I
F
B
H
D
C
E
1" (25mm)  
2" (51mm)  
Optional  
Hearth Trim  
Risers  
M
4" (102mm)  
L
J
6" (152mm)  
Dimension Description  
U31 Regency  
A
B
C
D
E
F
G
H
I
Faceplate Width  
40-1/4” (1022mm)  
26-1/4” (667mm)  
27-7/8” (708mm)  
20-1/4” (514mm)  
13-1/2” (343mm)  
11-3/4” (298mm)  
1-3/8” (35mm)  
Faceplate Height  
Unit Width  
K
N
Unit Height  
Unit Depth  
Faceplate to Vent Centerline  
Faceplate Depth  
Height to Vent Collar  
Optional or Standard Front Depth  
20-7/8” (530mm)  
3-3/4” (95 mm)  
Contour  
Faceplate  
Molded  
Faceplate  
Dimension Description  
J
Height  
21” (533mm)  
21” (533mm)  
29” (737mm)  
16” (406mm)  
9” (229mm)  
K
L
Width  
26-1/2” (673mm)  
15” (381mm)  
NOTE: ThisunitmayalsobeinstalledintonewconstructionusingaZero  
Clearance Kit. Please refer to the Zero Clearance Kit Manual for  
details.  
Depth  
M
N
Max. Lintel Bar Depth  
Rear Width  
9” (229mm)  
22-1/2” (572mm)  
22-1/2” (572mm)  
August 2008 Product Specications Book  
119  
 

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