5
2. Specications/Performance Table
NR50-OD / NR66 (-SV,-OD) / N-0531S (-OD) / NR71 (-SV,-OD) / N-0631S (-OD)
Installation
Indoor/Outdoor,
Wall Mounted
Outdoor,
Wall Mounted
Air Supply/Exhaust
24.2"(Height) x 18.3"(Width) x
9.4"(Depth)
23.6"(Height) x 13.8"(Width) x
10.2"(Depth)
54 lbs. 55 lbs.
Water Inlet
Hot Water Outlet
Gas Inlet
Supply
NG : 62W NG : 64W NG : 85W NG : 108W
LP : 75W LP : 77W LP : 100W LP : 96W
Casing
Flue Collar
Heat Exchanger
Anchoring Screws
Item
Model Name
Type
Ignition
Operating Pressure
Water Holding Capacity
Safety Devices
Accessories
Connection Sizes
Power Sup
ply
Consumption
Materials
0.5 GPM
NR98-OD
NC199-OD
N-0751M-OD
NR98-DVC
NC199-DVC
N-0751M-DVC
Dimensions
Weight
Minimum Flow Rate
N-0751M-DV
Indoor,
Wall Mounted
Power Vented
Specication
NR98-SV
N-0751M
Direct Ignition
15-150 psi
Copper Sheeting, Copper Tubing
Flame Rod, Thermal Fuse, Lightning Protection Device (ZNR), Overheat Prevention Device, Freeze
Prevention Device, Fan Rotation Detector
23.6"(Height) x 13.8"(Width) x
9.4"(Depth)
47 lbs.
Freeze Prevention 145W
3/4"
3/4"
3/4"
120 VAC (60Hz)
Zincied Steel Plate/Polyester Coating
Stainless Steel
0.2 Gallon
Freeze Prevention 161W
Remote Controller, Re
mote Controller Cord, Anchoring Screws
NR98 (-SV,-OD,-DVC) / NC199 (-OD,-DVC) / N-0751M (-OD,-DV,-DVC)
Installation Indoor/Outdoor,
Wall Mounted
Outdoor,
Wall Mounted
Indoor/Outdoor,
Wall Mounted
Outdoor,
Wall Mounted
Air Supply/Exhaust
Connection Sizes Water Inlet
Hot Water Outlet
Gas Inlet
Power Supply Supply
NG : 54W NG : 51W NG : 59W NG : 46W
LP : 59W LP : 52W LP : 66W LP : 50W
Materials Casing
Flue Collar
Heat Exchanger
0.5 GPM
23.6"(Height) x 13.8"(Width) x 6.7"(Depth)
41 lbs.
0.2 Gallon
3/4"
Power Vented
Direct Ignition
15-150 psi
NR71-SV
N-0631S
NR71-OD
N-0631S-OD
Type
Item
Ignition
Operating Pressure
NR66-SV
N-0531S
NR66-OD
N-0531S-OD
Specication
20.5"(Height) x 13.8"(Width) x 6.7"(Depth)
36 lbs.
3/4"
3/4"
120 VAC (60Hz)
Freeze Prevention 141W (Optional for NR50-OD)
Zincied Steel Plate/Polyester Coating
Stainless Steel
Copper Sheeting, Copper Tubing
Flame Rod, Thermal Fuse, Lightning Protection Device (ZNR), Overheat Prevention
Device, Freeze Prevention Device (optional for NR50-OD), Fan Rotation Detector
Anchoring Screws
Model Name
Safety Devices
Accessories
Minimum Flow Ra
te
Dimensions
Weight
Water Holding Capacity
Consumption
NR50-OD
Outdoor,
Wall Mounted
33 lbs.
1/2"
NG : 36W
LP : 39W