5
N-0531S
Indoor/ Outdoor, Wall Mounted
Direct Ignition
15-150 psi
0.5 GPM
20.5"(Height) x 13.8"(Width) x 6.7"(Depth)
36 lbs.
0.2 Gallon
3/4"
3/4"
3/4"
120 VAC (60Hz)
NG : 54W
LP : 59W
Freeze Prevention 141W
Stainless Steel
Copper Sheeting, Copper Tubing
Flame Rod, Thermal Fuse, Lightning Protection
Device (ZNR), Overheat Prevention Device,
Freezing Prevention Device, Fan Rotation Detector
Item
Model Name
Type
Ignition
Operating Pressure
Minimum Flow Rate
Dimensions
Weight
Water Holding Capacity
Accessories
Installation
Air Supply/Exhaust
Connection Sizes
Power Supply
Materials
Water Inlet
Hot Water Outlet
Gas Inlet
Supply
Consumption
Casing
Flue Collar
Heat Exchanger
Safety Devices
N-0531S-OD
NG : 51W
LP : 52W
Freeze Prevention 141W
Anchoring Screws
Outdoor, Wall Mounted
N-0531S (-OD)
Item
Gas Consumption
Maximum Hot Water Capacity
Capacity Range
Temperature Settings
(Using the remote controller)
Default Temperature Options
NG : 140,000 btuh, LP : 140,000 btuh
45°F Rise
100-150°F (In 5°F intervals), 160°F (12 Options)
Maximum Performance
Minimum Performance
Performance
NG : 20,000 btuh, LP : 20,000 btuh
5.3 Gal./min.
0.5-6.6 Gal./min.
120, 130, 140
°F
(Original is 120
°F
)
N-0531S
N-0531S-OD
Po wer Vented
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