Regency U31 Specification Sheet

U31 Regency Gas Insert
Model
Fuel Type
Minimum Supply Pressure 5" W.C. (1.25 kPa)
Manifold Pressure - High 3.8" W.C. (0.95 kPa)
Manifold Pressure - Low 1.1" W.C. (0.27 kPa)
Orifi ce Size -Altitude 0-2000 ft.
Orifi ce Size - Altitude 2000-4500 ft.
Minimum Input
Altitude 0-2000 ft. (0-610m)
Minimum Input
Altitude 2000-4500 ft. (610-1372m)
Maximum Input
Altitude 0-2000 ft. (0-610m)
Maximum Input
Altitude 2000-4500 ft. (610-1372m)
Vent Sizing
Approved Venting Systems
Flex Vent Systems:
A
B
C
Optional
Hearth Trim
Risers
Dimension Description
A Faceplate Width
B Faceplate Height
C Unit Width
D Unit Height
E Unit Depth
F Faceplate to Vent Centerline
G Faceplate Depth
H Height to Vent Collar
I Optional or Standard Front Depth
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.
August 2008 Product Specifi cations Book
Gas Inserts
U31 Regency Gas Insert
U31-NG2 U31-LP2
Natural Gas Propane
12" W.C. (2.99 kPa)
11" W.C. (2.74 kPa)
2.9" W.C. (0.72 kPa)
#37 DMS #52 DMS
#40 DMS #53 DMS
14,500 BTU/h 13,700 BTU/h
(4.25 kW) (4.02 kW)
13,000 BTU/h 12,400 BTU/h
(3.81 kW) (3.63 kW)
30,000 BTU/h 27,500 BTU/h
(8.79 kW) (8.06 kW)
27,200 BTU/h 25,000 BTU/h
(7.97 kW) (7.33 kW)
4" B-Vent 4" B-Vent
FPI AstroCap™ Flex Vent
I
F
H D
E
1" (25mm)
2" (51mm)
4" (102mm)
6" (152mm)
U31 Regency
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)
20-7/8" (530mm)
3-3/4" (95 mm)

Minimum Fireplace Dimensions

The minimum fi replace dimensions for the FPI gas fi replace insert are
G
shown in the following diagrams:
J
Dimension Description
J Height
K Width
L Depth
M Max. Lintel Bar Depth
N Rear Width
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M
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K
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N
Contour Molded
Faceplate Faceplate
21" (533mm) 21" (533mm)
26-1/2" (673mm) 29" (737mm)
15" (381mm) 16" (406mm)
9" (229mm) 9" (229mm)
22-1/2" (572mm) 22-1/2" (572mm)
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