Regency U31 Leaflet

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)

Orifi ce Size -Altitude 0-2000 ft.

#37 DMS

#52 DMS

Orifi 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

Optional
Hearth Trim
Risers

1" (25mm)
2" (51mm)

4" (102mm)

6" (152mm)

Dimension Description

U31 Regency

Faceplate Width

40-1/4” (1022mm)

Faceplate Height

26-1/4” (667mm)

Unit Width

27-7/8” (708mm)

Unit Height

20-1/4” (514mm)

Unit Depth

13-1/2” (343mm)

Faceplate to Vent Centerline

11-3/4” (298mm)

Faceplate Depth

1-3/8” (35mm)

Height to Vent Collar

20-7/8” (530mm)

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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Dimension Description

Contour

Faceplate

Molded

Faceplate

Height

21” (533mm)

Width

26-1/2” (673mm)

29” (737mm)

Depth

15” (381mm)

16” (406mm)

Max. Lintel Bar Depth

9” (229mm)

Rear Width

22-1/2” (572mm)

119

August 2008 Product Specifi cations Book

Gas Inserts

Gas Inser