Support & Parts
ENTER A MODEL OR PART NUMBER OR USE ADVANCED PARTS SEARCH

NR662-OD LP

NR662

The ENERGY STAR rated NRC661, Noritz’s newest efficient condensing model with a half inch gas line. Featuring the same energy-saving condensing technology as the rest of the Noritz eco-TOUGH™ Series of gas-fired residential tankless water heaters, the NRC661 has an Energy Factor of 0.91 for natural gas and 0.93 for LP. These ratings are nearly 10 points higher than that of a comparably sized, conventional tankless unit, and approximately 30 points higher than a standard, tank-type gas-fired water heater.

Technical Literature

Technical Specs

Warranty

Heat Exchanger Warranty (w/out Recirculation) 12 Years
Heat Exchanger Warranty (w/Recirculation) 3 Years
Parts Warranty 5 Years
Labor Warranty 1 Year


For detailed warranty terms and conditions please refer to the Noritz warranty page
70 items, 30 per page
CRUD055
CRUD055

Part #: CRUD055

C Clamp - Thermistor

$6.33
EVHL012
EVHL012

Part #: EVHL012

Gasket - Manifold Plate

$6.33
EBTD023
EBTD023

Part #: EBTD023

Wire Cover - Servo

$6.33
ETPA073
ETPA073

Part #: ETPA073

Inlet Power Wire Clip

$6.33
EVHH004
EVHH004

Part #: EVHH004

Clamp- Thermal Fuse

$6.33
3223302-B
3223302-B

Part #: 3223302-B

O-Ring - High Temp P16 (replaced 3223302)

$6.33
SAD6537
SAD6537

Part #: SAD6537

C Clamp - Water Pipe 13-22

$6.33
no image
BLBA001

Part #: BLBA001

Plug Sleeve

$3.16
SAD6635-B
SAD6635-B

Part #: SAD6635-B

O-Ring - High Temp P9

$3.16
7287909-B
7287909-B

Part #: 7287909-B

Wire Clamp - Nylon (replaced 7287909)

$2.38