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NC1991-OD-NG

The NC1991OD: Tankless for Professionals

The Noritz NC1991OD features a BTU input range from 16,000 to 199,900. It also features outdoor compatibility, compact design, temperature controls, and multi-system capability.

Technical Literature

Technical Specs

Warranty

Heat Exchanger Warranty (w/out Recirculation) 5 Years
Heat Exchanger Warranty (w/Recirculation) 5 Years
Parts Warranty 5 Years
Labor Warranty 1 Year


For detailed warranty terms and conditions please refer to the Noritz warranty page
72 items, 50 per page
1323709-B
1323709-B

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

$8.73
24 In Stock
3223302-B
3223302-B

O-Ring - High Temp P16 (replaced 3223302)

$6.98
2220 In Stock
6340300-B
6340300-B

C Clamp - Water Pipe 16A (Replaced 6340300)

$6.98
94 In Stock
6340601
6340601

C Clamp - Gas Pipe 25.4

$10.46
1 In Stock
AAPL017
AAPL017

Gasket - Front Cover Sides

$6.98
1 In Stock
AMML001
AMML001

Clamp -Freeze Prevention

$6.98
6 In Stock
no image
BLBA001

Plug Sleeve

$3.49
229 In Stock
BWCD090-B
BWCD090-B

Magnetic Sensor - Replaced BWCD090

$52.31
6 In Stock
BWCD096
BWCD096

Thermistor - Hot Water

$34.88
34 In Stock
BWCD097-B
BWCD097-B

Thermistor - Cold Water (replaced BWCD097)

$34.88
31 In Stock
BWCD098-B
BWCD098-B

Thermistor -Heat Exchanger (replaced BWCD098)

$34.88
32 In Stock
BWCH003
BWCH003

Thermistor - Air

$34.88
30 In Stock
CK-49
CK-49

Gas Conversion Kit (NG to LP)

$427.19
28 In Stock
CRUC045
CRUC045

Fan Plate ø44

$6.98
4 In Stock
CRUD055
CRUD055

C Clamp - Thermistor

$6.98
16 In Stock
CXPA026-B
CXPA026-B

Wire Grommet - Rubber

$6.98
Out of Stock
CZRL001
CZRL001

Gasket - Exhaust (OD)

$12.21
1 In Stock
DNSA025
DNSA025

Cover - External Remote Terminal Block

$8.73
6 In Stock
no image
DNSA026

External Remote Terminal Block

$43.59
147 In Stock
DTJA015
DTJA015

Mounting Plate - Igniter

$8.73
Out of Stock
DTJD006
DTJD006

Water Filter Cap

$8.73
486 In Stock
EAAL002
EAAL002

Gasket - Front Cover Top and Bottom

$8.73
Out of Stock
EBTD023
EBTD023

Wire Cover - Servo

$6.98
18 In Stock
EFWC034
EFWC034

Burner Damper 17-14

$8.73
31 In Stock
EGBD032
EGBD032

Water Filter (replaced DTJD005)

$17.44
716 In Stock
EGGD029
EGGD029

Safety Relief Valve

$43.59
4 In Stock
EGLH002
EGLH002

Clamp -Thermal Fuse

$8.73
1 In Stock
EHKL001
EHKL001

Gasket - Ignition Plug

$8.73
178 In Stock
EJMD002
EJMD002

Inlet Water Connection (SET)

$87.19
24 In Stock
ELVH002
ELVH002

High Limit Switch

$17.44
51 In Stock
ELVK003
ELVK003

Label - Outside Front Cover Caution Label

$17.44
1 In Stock
no image
ELVK009

Label - Name Plate

$8.73
1 In Stock
ELWE021
ELWE021

Inlet Gas Connection w/ Screw (SET)

$34.88
1 In Stock
ENJA025
ENJA025

Junction Box Cover

$34.88
4 In Stock
ENJJ020
ENJJ020

Inlet Power Wires

$8.73
Out of Stock
no image
ENWL005

Gasket - Junction Box Cover

$6.98
Out of Stock
ERDD011
ERDD011

Water Flow Sensor w/ thermistor (SET)

$69.74
290 In Stock
ERDH002
ERDH002

Freeze Prevention Heater - Rectangle

$17.44
5 In Stock
ERDH003
ERDH003

Freeze Prevention Heater - Round Short

$17.44
Out of Stock
ERDJ011
ERDJ011

GFCI (Lightning Protection)

$34.88
41 In Stock
ERDJ112
ERDJ112

Igniter (Replaced ERDJ012)

$52.31
340 In Stock
ERDL007
ERDL007

Gasket - Manifold Plate Top

$8.73
43 In Stock
ERDL009
ERDL009

Gasket - Manifold Plate Bottom

$8.73
14 In Stock
ESWC011
ESWC011

Mounting Plate - Ignition Plug

$8.73
12 In Stock
ESWD001
ESWD001

Pipe - Inlet to Bypass Servo

$34.88
10 In Stock
ESWJ015
ESWJ015

Wiring Harness - Gas Valve

$78.47
7 In Stock
ESWL001
ESWL001

Gasket - Burner

$17.44
Out of Stock
ETFD010
ETFD010

Water Servo - Bypass (SET)

$122.07
123 In Stock
ETFD011
ETFD011

Water Servo - Main (SET)

$122.07
175 In Stock
ETFJ033
ETFJ033

Wiring Harness - Bypass Water Servo

$34.88
28 In Stock