Regency U31-NG2 - Manual
Regency U31-NG2 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
U31 Regency Gas Insert
Model
U31-NG2
U31-LP2
Fuel Type
Natural Gas
Propane
Minimum Supply Pressure
5” W.C. (1.25 kPa)
12” W.C. (2.99 kPa)
Manifold Pressure - High
3.8” W.C. (0.95 kPa)
11” W.C. (2.74 kPa)
Manifold Pressure - Low
1.1” W.C. (0.27 kPa)
2.9” W.C. (0.72 kPa)
Ori
fi
ce Size -
Altitude 0-2000 ft.
#37 DMS
#52 DMS
Ori
fi
ce Size -
Altitude 2000-4500 ft.
#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
Optional
Hearth Trim
Risers
A
C
B
D
1" (25mm)
2" (51mm)
4" (102mm)
6" (152mm)
E
G
F
H
I
Dimension Description
U31 Regency
A
Faceplate Width
40-1/4” (1022mm)
B
Faceplate Height
26-1/4” (667mm)
C
Unit Width
27-7/8” (708mm)
D
Unit Height
20-1/4” (514mm)
E
Unit Depth
13-1/2” (343mm)
F
Faceplate to Vent Centerline
11-3/4” (298mm)
G
Faceplate Depth
1-3/8” (35mm)
H
Height to Vent Collar
20-7/8” (530mm)
I
Optional or Standard Front Depth
3-3/4” (95 mm)
U31 Regency Gas Insert
NOTE:
This unit may also be installed into new construction using a Zero
Clearance Kit. Please refer to the Zero Clearance Kit Manual for
details.
Approved Venting Systems
Flex Vent Systems:
FPI AstroCap™ Flex Vent
Minimum Fireplace Dimensions
The minimum
fi
replace dimensions for the FPI gas
fi
replace insert are
shown in the following diagrams:
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L
M
J
K
N
Dimension Description
Contour
Faceplate
Molded
Faceplate
J
Height
21” (533mm)
21” (533mm)
K
Width
26-1/2” (673mm)
29” (737mm)
L
Depth
15” (381mm)
16” (406mm)
M
Max. Lintel Bar Depth
9” (229mm)
9” (229mm)
N
Rear Width
22-1/2” (572mm)
22-1/2” (572mm)
119
August 2008 Product Speci
fi
cations Book
Gas Inserts
Gas Inser
ts
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