Noritz NR98-DVC User Manual
Model NR98(GQ-2857WX US) Series
Residential Tankless Water Heater
Specification Sheet
- Gas consumption ranges from 12,000 BTUh to
199,900 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 (-SV and -DVC models only) or installed
outdoors with an -OD model
- Manufactured with commercial grade copper,
25% thicker piping than standard models
- Available in Power Vent (-SV), Outdoor (-OD),
or Concentric Direct Vent (-DVC) model that requires either 4”
Category III or 5“/3” Noritz concentric stainless steel pipe
- Two identical units can be linked together by using
the optional Quick Connect Cord for twice the hot water capacity
- 0.82 (NG) 0.82 (LP) for SV model
0.83 (NG) 0.83 (LP) for OD model
0.82 (NG) 0.82 (LP) for DVC model
- Includes remote thermostat that can precisely
adjust the output temperature from 100°F to 180°F
- 6’ power cord is included with -SV and
-DVC models (assembly required for SV models)
- Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection
Temperature Lockout, High Elevation Adjustment
New Scale Detection Function
- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm]
Suitable for Installation in a Manufactured (Mobile) Home***
SV Model OD Model
NR98_____
SV (Standard Vent)
OD (Outdoor Vent)
DVC (Concentric Direct Vent)
DVC-CA (Concentric Direct Vent for
Canada)
Isolator Valve (#IK-WV-200-1-(SW/ TH)-LF)
Pipe Cover for SV/OD Model (#PC-2S)
Pipe Cover for DVC Model (#PC-5S)
Recess Box for OD Model (#RB-700-1)
Quick Connect Cord (#QC-1)
DVC Model
LOW-LEAD
CERTIFIED
R
* 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
*** Manufactured (Mobile) Home approval is valid for OD or DVC models only
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
Dimensions
CONDENSATE DRAIN
AIR INLET
FLUE COLLAR
R
13.8"
13.1"
0.4"
1.6"
22.3"
0.4" - 1.8"
DVC Model
Temperature
Rise (°F)
Flow Rate
(GPM)
3.7"
2.8"
0.4"
SIDE VIEW
10.6"
4.5"
9.4"
1.1"
AIR INLET
13.8"
13.1"
Ø4"
23.6"
FLUE COLLAR
AIR INLET
FLUE COLLAR
13.8"
13.1"
9.9"
OD Model
2.4”
FRONT VIEW
WIRING THROUGHWAY
WATER DRAIN VALVE
(WATER FILTER)
1.1"
HOT WATER OUTLET
WATER DRAIN VALVE
BOTTOM VIEW
WIRING THROUGHWAY
(AC120V)
GAS INLET
COLD WATER INLET
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
Flow Rates
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
1.7” 3.4"
DVC Model
NR98 Series
1.8"HOT WATER OUTLET
2.2"COLD WATER INLET
2.2"GAS INLET
Model Name
Weight
Water Holding Capacity
Connection
Sizes
Power
Freeze Protection
Pressure Loss
35
Bypass Flow Control Valve Open
30
Set temperature : 120ºF or less
(Storage Tank Setting W/ System
Controller : 160ºF or less)
25
20
Bypass Flow Control Valve Close
Set temperature : 125ºF or higher
15
(Storage Tank Setting W/ System
Controller : 170-185ºF)
Pressure Loss (psi)
10
5
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
Flow Rate (GPM)
Specifications
NR98SV (GQ-2857WX-F US)
Water Inlet 3/4"
Gas Inlet 3/4"
Consumption NG: 62W LP: 75W Free ze Preventi on 145W
snoitpO erutarepmeT tluafeD
Indoor: -30
°F Outdoor: -4°F
120°F (50°C), 135°F (57°C), 140°F (60°C) (Original is 120°F (50°C))
NR98OD (GQ-2857WX US)
54 (pounds)
NG: 65W LP: 67W Free ze Prevention 161W
0.2 Gallon
"4/3teltuO retaW toH
Outdoor: -4°F
; 37-48°C (In 1°C intervals), 50,55,60°C (In 5°C intervals) (15 Options)s)noitpO 9( ,)slavretni F°5 nI( F°041-001s °F ; °CgnitteS erutarepmeT
80
70
60
50
40
30
20
Pressure Loss (Ft. of head)
10
0
NR98DVC (GQ-2857WX-FFA US)
58 (pounds)
serepma 2 naht ssel ,)zH06( CAV021ylppuS
NG: 85W LP: 100W Freeze Prevention 161W
Indoor: -30
°F
ut notice.
Rev. 04/16
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