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PRODUCT SPECIFICATIONS
All Fireplace Sizes
Natural Gas
(inches w.c.)
Propane Gas
(inches w.c.)
MV
IP
MV
IP
Manifold pressure setting
on "HI"
3.5
3.5
10.0
10.0
Gas inlet pressure
Maximum
10.5
10.5
13.0
13.0
Gas inlet pressure
Minimum
4.5
4.5
10.8
10.8
Table 1 - Air Shutter Opening
Natural Gas Models
Model
Air Shutter Opening (inches)
OP36FP32MN
1/8
OP42FP32MN
1/8
OP36FP72MN
1/8
OP42FP72MN
1/8
Table 2 - Air Shutter Opening
LP Gas Models
Model
Air Shutter Opening
OP36FP32MP
Fully Open
OP42FP32MP
Fully Open
OP36FP72MP
Fully Open
OP42FP72MP
Fully Open
Model
Gas
Type
Valve
Type
Orifice BTU/H
Max
BTU/H
Min
OP36FP32
LP
MILLIVOLT
#45
50,000 36,000
OP36FP32
NAT
MILLIVOLT
#29
50,000 38,000
OP42FP32
LP
MILLIVOLT
#45
50,000 36,000
OP42FP32
NAT
MILLIVOLT
#29
50,000 38,000
OP36FP72
LP
IP
#45
50,000 36,000
OP36FP72
NAT
IP
#29
50,000 38,000
OP42FP72
LP
IP
#45
50,000 36,000
OP42FP72
NAT
IP
#29
50,000 38,000
Model Number
Description
BD36SS
36-Inch Bi-fold Glass Doors
BD42SS
42-Inch Bi-fold Glass Doors
DT36SS
36-Inch Drain Tray - Stainless Steel
DT42SS
42-Inch Drain Tray - Stainless Steel
WD36SS
36-Inch Weather Door - Stainless Steel
WD42SS
42-Inch Weather Door - Stainless Steel
VB4H36SS
36-Inch Extended Hood - Stainless Steel
VB4H42SS
42-Inch Extended Hood - Stainless Steel
FRBC
Battery Remote (millivolt units only)
FWS1
Wall Switch (millivolt units only)
OLX24WR
7-Piece Log Set (Required for OP36FP models)
OLX30WR
7-Piece Log Set (Required for OP42FP models)
The following accessories may be obtained from your Empire Comfort Systems dealer. Contact your Empire Dealer for more accessory
options. If you need additional information beyond what your dealer can furnish, contact Empire Comfort Systems Inc., 918 Freeburg
Ave., Belleville, Illinois 62220-2623.
ACCESSORIES
Gas Conversion Kits
Kit Number
Description
Model Used On
31996
Conversion Kit - NAT to LP
OP36FP32MN
31997
Conversion Kit - LP to NAT
OP36FP32MP
31998
Conversion Kit - NAT to LP
OP42FP32MN
31999
Conversion Kit - LP to NAT
OP42FP32MP
31992
Conversion Kit - NAT to LP
OP36FP72MN
31993
Conversion Kit - LP to NAT
OP36FP72MP
31994
Conversion Kit - NAT to LP
OP42FP72MN
31995
Conversion Kit - LP to NAT
OP42FP72MP