NC1991-OD-LP

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
SKJ71J7

Heat Exchanger Kit (NR981-OD) (GQ-2857WX US) (SET)

$656.34
87 In Stock
CK-48

Gas Conversion Kit (LP to NG)

$406.85
34 In Stock
SHC71LF

Circuit Board - NR981,NC1991,NRC1111,NCC1991

$386.98
91 In Stock
EVFA101

Case - NC1991-OD

$315.53
10 In Stock
SKH7203

Gas Valve w/ Manifold Plate 15 (SET)

$290.62
20 In Stock
SKH7184

Burner w/ Gasket and Ignition Plug (SET)

$274.01
93 In Stock
SKH7199

Front Cover - NC1991-OD (SET)

$249.11
7 In Stock
EVFJ011

Wiring Harness - NC1991-OD

$249.11
8 In Stock
SKC7470

Fan Motor w/ Housing - Multiple Units

$132.86
77 In Stock
EVFD003

Outlet Water Connection

$124.55
7 In Stock
ETFD011

Water Servo - Main (SET)

$116.26
176 In Stock
ETFD010

Water Servo - Bypass (SET)

$116.26
302 In Stock
ETPE011

Gas Pipe

$83.04
8 In Stock
EJMD002

Inlet Water Connection (SET)

$83.04
131 In Stock
ESWJ015

Wiring Harness - Gas Valve

$74.73
9 In Stock
ERDD011

Water Flow Sensor w/ thermistor (SET)

$66.42
285 In Stock
SKH7192

Freeze Prevention Heater - Double Round (SET)

$49.82
22 In Stock
BWCD090-B

Magnetic Sensor - Replaced BWCD090

$49.82
20 In Stock
ERDJ112

Igniter (Replaced ERDJ012)

$49.82
384 In Stock
SKJ7381

Ignition Plug w/ Gasket & Plug Sleeve

$42.33
1327 In Stock
EGGD029

Safety Relief Valve

$41.51
10 In Stock
DNSA026

External Remote Terminal Block

$41.51
326 In Stock
SAA2811-B

Safety Relief Valve

$33.22
35 In Stock
ESWD001

Pipe - Inlet to Bypass Servo

$33.22
42 In Stock
BWCD098-B

Thermistor -Heat Exchanger (replaced BWCD098)

$33.22
19 In Stock
SKH7189

Thermal Fuse - NR981,NC1991,NRC1111,NCC1991

$33.22
418 In Stock
BWCD096

Thermistor - Hot Water

$33.22
107 In Stock
BWCD097-B

Thermistor - Cold Water (replaced BWCD097)

$33.22
39 In Stock
ELWE021

Inlet Gas Connection w/ Screw (SET)

$33.22
6 In Stock
ENJA025

Junction Box Cover

$33.22
8 In Stock
ERDJ011

GFCI (Lightning Protection)

$33.22
52 In Stock
BWCH003

Thermistor - Air

$33.22
13 In Stock
ETFJ033

Wiring Harness - Bypass Water Servo

$33.22
103 In Stock
ERDH003

Freeze Prevention Heater - Round Short

$16.61
11 In Stock
ELVK003

Label - Outside Front Cover Caution Label

$16.61
2 In Stock
JBGJ024

Wiring Harness - Main Water Servo

$16.61
49 In Stock
ESWL001

Gasket - Burner

$16.61
7 In Stock
EGBD032

Water Filter (replaced DTJD005)

$16.61
1782 In Stock
ELVH002

High Limit Switch

$16.61
82 In Stock
ERDH002

Freeze Prevention Heater - Rectangle

$16.61
7 In Stock
CZRL001

Gasket - Exhaust (OD)

$11.63
5 In Stock
SAC1229

High Voltage Igniter Wire

$11.63
20 In Stock
SAB2775

Clamp - Harness

$11.63
13 In Stock
6340601

C Clamp - Gas Pipe 25.4

$9.96
4 In Stock
DTJA015

Mounting Plate - Igniter

$8.31
4 In Stock
ERDL009

Gasket - Manifold Plate Bottom

$8.31
14 In Stock
EGLH002

Clamp -Thermal Fuse

$8.31
18 In Stock
1323709-B

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

$8.31
113 In Stock
ELVK009

Label - Name Plate

$8.31
1 In Stock
EHKL001

Gasket - Ignition Plug

$8.31
823 In Stock