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NR83OD (GQ-2457WS US) NG

NR83OD (GQ-2457WS US NG)

Built for reliability and long-lasting use, Noritz NR tankless water heaters are ideal for homes of all sizes, including those with high hot water needs. Equipped with commercial-grade copper heat exchangers for enhanced performance, these units come with a 12-year warranty on the heat exchanger. Additionally, they feature a service reminder function and can be adjusted for high-altitude installations.

Technical Literature

Technical Specs

Warranty

Heat Exchanger Warranty (w/out Recirculation) 12 Years
Heat Exchanger Warranty (w/Recirculation) 12 years or 6,500 operational (burn) hours, whichever occurs first, if pump is controlled 
Parts Warranty 5 Years
Labor Warranty 1 Year


For detailed warranty terms and conditions please refer to the Noritz warranty page
74 items, 100 per page
1323709-B
1323709-B

O-Ring - Thermistor High Temp P4 (replaced 1323709)

$9.17
210 In Stock
3223302-B
3223302-B

O-Ring - High Temp P16 (replaced 3223302)

$7.33
2280 In Stock
6340300-B
6340300-B

C Clamp - Water Pipe 16A (Replaced 6340300)

$7.70
134 In Stock
2110903
2110903

O-Ring - Gas P18

$7.33
Out of Stock
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6340407

C Clamp - Gas Pipe 16B

$7.70
13 In Stock
AAPL017
AAPL017

Gasket - Front Cover Sides

$7.70
5 In Stock
AJBL002
AJBL002

Clamp - Rectangle Heater

$7.70
12 In Stock
ALSD088-B
ALSD088-B

Thermistor Holding Plate (replaced ALSD088)

$9.63
2 In Stock
AMML001
AMML001

Clamp -Freeze Prevention

$7.70
4 In Stock
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BLBA001

Plug Sleeve

$3.84
217 In Stock
BWCD090-B
BWCD090-B

Magnetic Sensor - Replaced BWCD090

$57.68
5 In Stock
BWCD097-B
BWCD097-B

Thermistor - Cold Water (replaced BWCD097)

$38.45
24 In Stock
BWCD098-B
BWCD098-B

Thermistor -Heat Exchanger (replaced BWCD098)

$38.45
61 In Stock
BWCD096
BWCD096

Thermistor - Hot Water

$38.45
83 In Stock
BWCH003
BWCH003

Thermistor - Air

$38.45
12 In Stock
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CK-30

Gas Conversion Kit (NG to LP)

$384.50
Out of Stock
CMNH003
CMNH003

Clamp -Thermal Fuse

$7.70
3 In Stock
CRUC045
CRUC045

Fan Plate ø44

$7.70
3 In Stock
CRUD003-B
CRUD003-B

Drain Cock (Replaced CRUD003)

$7.70
75 In Stock
CRUD055
CRUD055

C Clamp - Thermistor

$7.70
12 In Stock
CXPA026-B
CXPA026-B

Wire Grommet - Rubber

$7.70
1 In Stock
CZRL001
CZRL001

Gasket - Exhaust (OD)

$13.46
13 In Stock
DNSA025
DNSA025

Cover - External Remote Terminal Block

$9.63
3 In Stock
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DNSA026

External Remote Terminal Block

$48.06
240 In Stock
DTJA015
DTJA015

Mounting Plate - Igniter

$9.63
Out of Stock
DTJD006
DTJD006

Water Filter Cap

$9.63
477 In Stock
EAAL002
EAAL002

Gasket - Front Cover Top and Bottom

$9.63
8 In Stock
EBTD023
EBTD023

Wire Cover - Servo

$7.70
12 In Stock
EFWC032
EFWC032

Burner Damper 17-12

$9.63
44 In Stock
EGBD032
EGBD032

Water Filter (replaced DTJD005)

$19.23
1083 In Stock
EGLC014
EGLC014

Mounting Plate - Ignition Plug

$9.63
Out of Stock
EGLH002
EGLH002

Clamp -Thermal Fuse

$9.63
4 In Stock
EHKL001
EHKL001

Gasket - Ignition Plug

$9.63
214 In Stock
EHUD003
EHUD003

Outlet Water Connection (Replaced EHUD004)

$38.45
33 In Stock
EHVD001
EHVD001

Inlet Water Connection (SET)

$57.68
7 In Stock
ELVE021
ELVE021

Inlet Gas Connection w/ Screw (SET)

$38.45
6 In Stock
ELVH002
ELVH002

High Limit Switch

$19.23
118 In Stock
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ELVL011

Clamp - Freeze Prevention

$9.63
Out of Stock
ENJA025
ENJA025

Junction Box Cover

$38.45
1 In Stock
ENJJ020
ENJJ020

Inlet Power Wires

$9.63
7 In Stock
no image
ENWL005

Gasket - Junction Box Cover

$7.70
3 In Stock
ERDD011
ERDD011

Water Flow Sensor w/ thermistor (SET)

$76.89
201 In Stock
ERDE021
ERDE021

Gas Pipe (NR83OD/DVC)

$38.45
7 In Stock
ERDH002
ERDH002

Freeze Prevention Heater - Rectangle

$19.23
1 In Stock
ERDH003
ERDH003

Freeze Prevention Heater - Round Short

$19.23
4 In Stock
ERDJ011
ERDJ011

GFCI (Lightning Protection)

$38.45
22 In Stock
ERDJ015
ERDJ015

Wiring Harness - Gas Valve

$57.68
7 In Stock
ERDJ112
ERDJ112

Igniter (Replaced ERDJ012)

$57.68
129 In Stock
ERDL007
ERDL007

Gasket - Manifold Plate Top

$9.63
20 In Stock
ERDL009
ERDL009

Gasket - Manifold Plate Bottom

$9.63
13 In Stock
ERDL011
ERDL011

Gasket - Burner

$19.23
3 In Stock
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ESWA032

Mounting Plate - Terminal Block and/or GFCI

$9.63
5 In Stock
ETPA073
ETPA073

Inlet Power Wire Clip

$7.70
5 In Stock
no image
EYXA001

Case - NR83OD (GQ-2457WS US)

$211.46
Out of Stock
JBGJ024
JBGJ024

Wiring Harness - Main Water Servo

$19.23
51 In Stock
JDWD051
JDWD051

Water Servo (replaced JDWD001)

$153.80
122 In Stock
QHUA115-B
QHUA115-B

Mounting Packing - Remote

$9.63
8 In Stock
QMEA003
QMEA003

Cover - Remote

$38.45
Out of Stock
QQUA100
QQUA100

Screw Package - Remote (SET) (replaced SAD6448)

$2.90
20 In Stock
no image
SAA6044-B

O-Ring - Gas Solenoid

$9.17
63 In Stock
SAC1229
SAC1229

High Voltage Igniter Wire

$13.46
39 In Stock
SAD6633-B
SAD6633-B

O-Ring - High Temp P3

$3.66
93 In Stock
SAD6593
SAD6593

C Clamp - Water Pipe 16-25

$7.70
119 In Stock
SKC7683
SKC7683

Fan Motor w/ Housing - Multiple Units

$153.80
49 In Stock
SKG7317
SKG7317

Freeze Prevention Heater - Double Round (SET)

$57.68
12 In Stock
SKG7340
SKG7340

Gas Valve w/ Manifold Plate 22 (SET)

$336.43
130 In Stock
SKG7347
SKG7347

Thermal Fuse - NR83-DVC/OD

$38.45
130 In Stock
SKG7858
SKG7858

Burner w/ Gasket and Ignition Plug (SET)

$317.21
96 In Stock
SKJ71RR
SKJ71RR

Manifold Screws with Instructions

$9.63
877 In Stock
SKJ724Y
SKJ724Y

Front Cover - NR83OD (GQ-2457WS US)

$173.02
67 In Stock
SKJ724Z
SKJ724Z

Heat Exchanger Kit (OD) (SET) (NR83OD)

$521.91
38 In Stock
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SKJ73Y6

Front Cover - NR83OD (GQ-2457WS US) Silver

$246.93
4 In Stock
SKJ7250
SKJ7250

Wiring Harness - NR83OD (GQ-2457WS US)

$240.29
3 In Stock
SKJ7381
SKJ7381

Ignition Plug w/ Gasket & Plug Sleeve (replaced SKG7311)

$49.00
683 In Stock