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
1323709-B

Part #: 1323709-B

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

$7.53
3223302-B

Part #: 3223302-B

O-Ring - High Temp P16 (replaced 3223302)

$6.03
6340300-B

Part #: 6340300-B

C Clamp - Water Pipe 16A (Replaced 6340300)

$6.03
6340601

Part #: 6340601

C Clamp - Gas Pipe 25.4

$9.04
AAPL017

Part #: AAPL017

Gasket - Front Cover Sides

$6.03
Out of Stock
AMML001

Part #: AMML001

Clamp -Freeze Prevention

$6.03
BLBA001

Part #: BLBA001

Plug Sleeve

$3.01
BWCD090-B

Part #: BWCD090-B

Magnetic Sensor - Replaced BWCD090

$45.19
BWCD096

Part #: BWCD096

Thermistor - Hot Water

$30.13
BWCD097-B

Part #: BWCD097-B

Thermistor - Cold Water (replaced BWCD097)

$30.13
BWCD098-B

Part #: BWCD098-B

Thermistor -Heat Exchanger (replaced BWCD098)

$30.13
BWCH003

Part #: BWCH003

Thermistor - Air

$30.13
CK-49

Part #: CK-49

Gas Conversion Kit (NG to LP)

$369.03
CRUC045

Part #: CRUC045

Fan Plate φ44

$6.03
CRUD055

Part #: CRUD055

C Clamp - Thermistor

$6.03
CXPA026-B

Part #: CXPA026-B

Wire Grommet - Rubber

$6.03
Out of Stock
CZRL001

Part #: CZRL001

Gasket - Exhaust (OD)

$10.55
DNSA025

Part #: DNSA025

Cover - External Remote Terminal Block

$7.53
DNSA026

Part #: DNSA026

External Remote Terminal Block

$37.65
DTJA015

Part #: DTJA015

Mounting Plate - Igniter

$7.53
Out of Stock
DTJD006

Part #: DTJD006

Water Filter Cap

$7.53
EAAL002

Part #: EAAL002

Gasket - Front Cover Top and Bottom

$7.53
EBTD023

Part #: EBTD023

Wire Cover - Servo

$6.03
EFWC034

Part #: EFWC034

Burner Damper 17-14

$7.53
EGBD032

Part #: EGBD032

Water Filter (replaced DTJD005)

$15.07
Out of Stock
EGGD029

Part #: EGGD029

Safety Relief Valve

$37.65
EGLH002

Part #: EGLH002

Clamp -Thermal Fuse

$7.53
EHKL001

Part #: EHKL001

Gasket - Ignition Plug

$7.53
EJMD002

Part #: EJMD002

Inlet Water Connection (SET)

$75.32
ELVH002

Part #: ELVH002

High Limit Switch

$15.07