4
Chapter 2. – Product Specifications
Specifications
Model Name
NRCP1112-DV
NRCP982-DV
Gas Input Rate
MAX
199,000 Btu/h
180,000 Btu/h
MIN
18,000 Btu/h
18,000 Btu/h
High Altitude (2,500~4,500ft)
180,000 Btu/h
180,000 Btu/h
Hot Water Capacity
35°F Rise
11.1 Gal
10.1 Gal
45°F Rise
8.7 Gal
7.8 Gal
77°F Rise
5.1 Gal
4.6 Gal
Installation
Indoor Wall Hung
Flue System
Sealed Combustion Direct Vent, Single Vent
Max Vent Run
2″(50ft) / 3″(100ft) Schedule 40 PVC, CPVC, PP
Orifice Size
NG (Gas / Needle)
0.381″(9.7mm) / 0.389″(9.9mm)
LP (Gas / Needle)
0.307″(7.8mm) / 0.315″(8.0mm)
Gas Supply Pressure
NG
3.5˝ WC to 10.5˝ WC
LP
8.0˝ WC to 14˝ WC
Manifold Pressure
Gas Type
NG
LP
NG
LP
Low Fire
2″ VENT
-0.03 WC
-0.06 WC
-0.03 WC
-0.06 WC
3″ VENT
-0.03 WC
-0.06 WC
-0.03 WC
-0.06 WC
High Fire
2″ VENT
-0.04 WC
-0.07 WC
-0.04 WC
-0.07 WC
3″ VENT
-0.04 WC
-0.07 WC
-0.04 WC
-0.07 WC
Power Supply
Main Supply
120V 60Hz
Maximum
Power Consumption
172W(82W+90W_PUMP)
Ignition System
Direct Electronic Ignition / Automatic Flame Sensing
Burner System
Premixed Metal Fiber Burner
Gas Valve System
Air ratio valve
Minimum Flow Activation Flow
0.5 GPM
Internal Pipe Material
STS 304, Copper Tubing
Dimensions
W17.3″ – H28.7″ – D14.8″
Weight
85 lbs
Water Holding Capacity
Under 2 Gallon
Control Panel / Main Controller
P-950C / NGTH-9700C
Water Pressure
MAX
Hot water 150 psi
MIN
15 psi
Materials
Casing
Cold Rolled Carbon Steel
Heat Exchanger
Heat Exchanger : STS 304
Safety Devices
Flame Sensor, Overheat Cut Off Limit Switch ,
Gas Leak Detector sensor, Water Leak Detector Sensor
Exhaust Temperature Sensor,
Water Temperature Sensor
2-1. Specifications
Specifications may be changed without prior notice.The capacity may differ slightly,
depending on the water pressure, water supply, piping conditions, and water temperature.
