Noritz NRC98-DV User Manual

Model NRC98(GQ-C2857WS US) Series

Residential Condensing Tankless Water Heater

Specification Sheet

- Gas consumption ranges from 16,000 BTUh to

180,000 BTUh

- Flow rates from 0.5 gpm up to 9.8 gpm

- ANSI Z21.10.3/CSA 4.3 certified design that can be

wall-mounted indoors or outdoors

- Manufactured with commercial grade copper,

25% thicker piping than standard models

- Available as an Outdoor (requires no venting) or indoor
Direct Vent (-DV) model which includes special plastic flue adapters that are
compatible with both 3” or 4” Schedule 40 and 80 PVC/CPVC pipe.
The DV model can also be converted to a non-direct vent (SV) model with
the use of a Conversion Kit (#SV-CK-3)

OD Model

DV Model

- Two identical units can be linked together by using

the optional Quick Connect Cord (#QC-2) for twice the hot water capacity

- 0.93 (NG) 0.93 (LP)

- Includes remote thermostat that can precisely
adjust the output temperature from 115°F to 140°F with the capability to
display temperatures in both °C and °F

- 6’ power cord is included with -DV models only

- Flame Sensor, Overheat Prevention Device,

Lightning Protection Device, Freeze Protection, Condensate Overfill

Temperature Lockout, High Elevation Adjustment,

Condensate Overflow Monitoring System, Service Reminder Function,

New Scale Detection Function

- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm]

LOW-LEAD

CERTIFIED

R

NRC98____

OD (Outdoor Vent)

DV (Direct Vent)

Horizontal Hood Termination (#PVT-HL)

3” PVC Termination (#VK3-H-PVC)

Birdscreen for 3” PVC/CPVC (#VT3-PVCS)

Birdscreen for 4” PVC/CPVC (#VT4-PVCS)

Condensate Neutralizer (#NC-1)

Isolation Valves (#IK-WV-200-1-(SW / TH)-LF)

Pipe Cover (#PC-3S)

Quick Connect Cord (#QC-2)

* Heat Exchanger warranty is maintained at 12 years or 6500 operational hours, whichever occurs first, when used in a single family dwelling in conjunction with a
controlled recirculation system (an aquastat being the minimum pump control requirement) in accordance with the Installation Manual. Refer to the Noritz Limited
Warranty for complete coverage details
** This product complies with California AB 1953 Low Lead Law and section 1417(d) of the Safe Drinking Water Act

NORITZ AMERICA CORPORATION

11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com

0.4" (10mm)

2.4" (61mm)

1.6" (40mm)

9.4" (240mm)

5.5" (140mm)

1.1" (28mm)

Ø 4.5" (114mm)

Ø 3.5" (89.5mm)

AIR INLET

18.3" (464mm)

17.6" (448mm)

5.9" (150mm)

9.1" (232mm)

Dimensions

Ø 4.5" (114mm)
Ø 3.5" (89.5mm)

FLUE COLLAR

18.3" (464mm)

17.6" (448mm)

10.5" (267mm)

3.9" (99mm)

2.4" (61mm)2.1" (53mm)

2.0" (50mm)

6.6" (168mm)

5.9" (149mm)

(VIEW FROM TOP)

14.0" (355mm)

12.6" (320mm)

7.0" (179mm)

3.6" (93mm)

2.2" (55mm)

4.1" (104mm)

5.6" (142mm)

6.1" (155mm)

23.1" (586mm)

0.4" (10mm)

SIDE VIEW

24.2" (615mm)

WIRING THROUGHWAY

CONDENSATE DRAIN

WATER DRAIN VALVE

WATER DRAIN VALVE
(WATER FILTER)

HOT WATER OUTLET
WATER DRAIN VALVE

Temperature
Rise (°F)

Flow Rate
(GPM)

30 40 45 50 60 70 80 90 100

9.8 8.4 7.5 6.7 5.6 4.8 4.2 3.7 3.4

70

60

50

40

30

Pressure Loss (psi)

20

10

FRONT VIEW

BOTTOM VIEW

WIRING THROUGHWAY
(AC120V)

GAS INLET

COLD WATER INLET

Flow Rates

Pressure Loss

OD Model

HOT WATER OUTLET (3/4")

CONDENSATE DRAIN (1/2")

WIRING THROUGHWAY

2.3" (66mm)

5.4" (137mm)

HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE

CONDENSATE DRAIN

HOT WATER OUTLET

COLD WATER INLET

160

140

120

100

80

60

40

20

9.6" (244mm)

Pressure Loss (Ft. of head)

WIRING THROUGHWAY
(AC120V) -OD Model Only

GAS INLET (3/4")

WIRING THROUGHWAY

COLD WATER INLET (3/4")

NRC98-OD

0.8" (20 mm)

1.8" (45 mm)

1.9" (49 mm)

2.2" (56 mm)

(AC120V)

< inch (mm)>

NRC98-DV

0.9" (24 mm)

1.8" (45 mm)

1.9" (49 mm)

2.2" (56 mm)GAS INLET

0

0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Flow Rate (GPM)

Specifications

Model Name

Weight

Water Holding Capacity

Connection
Sizes

Water Inlet 3/4"

Hot Water Outlet 3/4"

Gas Inlet

Condensate Drain 1/2"

Power

Supply

Freeze Protection

Temperature Settings

Default Temperature Options

°F Mode

°C Mode

°F Mode

°C Mode

NRC98OD(GQ-C2857WS US)

57 (pounds)

0.5 Gallon (1.8 L)

3/4"

3/4"

3/4"

1/2"

120VAC (60Hz), less than 4 amperes

NG: 64W LP: 68W Free ze Preventi on 203W

Outdoor: -4

°F

115-140°F (In 5°F intervals) (6 Options)

46, 47, 48, 50, 55, 60°C (6 Options)

120, 125, 130, 140°F (Default is 120°F)

50, 52, 55, 60°C (Default is 50°C)

NRC98DV(GQ-C2857WS-FF US)

58 (pounds)

0.5 Gallon (1.8 L)

3/4"

Indoor: -30

°F

ut notice.

W312 noitneverP ezeerF W87 :PL W37 :GNnoitpmusnoC

Rev. 04/16