Regency U31-NG2 dimensions Gas Inserts, Minimum Fireplace Dimensions, U31 Regency Gas Insert

Gas Inserts

U31 Regency Gas Insert

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)
Orifice Size -Altitude 0-2000 ft.			#37 DMS	#52 DMS
Orifice Size - Altitude 2000-4500 ft.			#40 DMS	#53 DMS
Minimum Input		14,500 BTU/h		13,700 BTU/h
Altitude 0-2000 ft. (0-610m)			(4.25 kW)	(4.02 kW)
Minimum Input		13,000 BTU/h		12,400 BTU/h
Altitude 2000-4500 ft. (610-1372m)			(3.81 kW)	(3.63 kW)
Maximum Input		30,000 BTU/h		27,500 BTU/h
Altitude 0-2000 ft. (0-610m)			(8.79 kW)	(8.06 kW)
Maximum Input		27,200 BTU/h		25,000 BTU/h
Altitude 2000-4500 ft. (610-1372m)			(7.97 kW)	(7.33 kW)
Vent Sizing			4” B-Vent	4” B-Vent
Approved Venting Systems
Flex Vent Systems:			FPI AstroCap™ Flex Vent

Minimum Fireplace Dimensions

Gas Inserts

B

A
H	D
C

F

E

G

I

The minimum fireplace dimensions for the FPI gas fireplace insert are shown in the following diagrams:

	1" (25mm)
Optional	2" (51mm)
Hearth Trim	4" (102mm)
Risers	6" (152mm)

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)

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.

	M
J	L

K

N

Dimension	Description	Contour	Molded
		Faceplate	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)

August 2008 Product Specifications Book 119