Submittal Sheet

- gas consumption ranges from 15,000 BTUh to
120,000 BTUh
- flow rates from 0.5 gpm up to 5.0 gpm
- ANSI Z21.10.3/CSA 4.3 certified design that can be
wall-mounted outdoors.
Durable Steel Casing with Polyester Coating
- Flame Sensor, Overheat Prevention Device,
Lightning
Protection Device, Freeze Protection,
Fan Rotation Detector
Temperature Lockout, High Elevation Adjustment,
** Heat Exchanger warranty is maintained at 12 years or 6500 operational hours, whichever occurs first, when used in a single family dwelling in conjunction with a
controlled recirculation system (an aquastat being the minimum pump control requirement) in accordance with the Installation Manual. Refer to the Noritz Limited
Warranty for complete coverage details
*** This product complies with California AB 1953 Low Lead Law and Section 1417(d) of the Safe Drinking Water Act
Model NR501 Series
Residential Tankless Water Heater
Specification Sheet
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
LOW-LEAD
OD Model
NR501 - OD
Isolation Valves (#IK-WV-200-1(-LF))
Outdoor Recess Box (#RB-510)
Remote Controller (#RC-7651M)
Remote Controller Cord (#RC-CORD10)
Pipe Cover (#PC-1S)
Remote Controller Cord (#RC-CORD26)
No venting Required - Outdoor (-OD) model does not require any additional
Standard Input
Capacity Range
Compact Design
vent pieces
Energy Factor - 0.86 (NG) 0.85 (LP)
Thermal Efficiency -
84% efficient for use with natural gas or propane
Temperature Controls -
includes 120°F (default), 130°F, 135°F, or 140°F
standard temperature settings*
Additional Features -
Built-in display window
12-Year** Limited Heat Exchanger Warranty for Residential Use
5-Year Limited Parts Warranty
Approvals - CSA (US Only), UPC***, NSF, Low NOx - Complies with SCAQMD
1-Year Reasonable Labor Warranty
Rule 1146.2 (14 ng/J or 20 ppm) low NOx regulations.
* Optional remote thermostat can adjust temperature from 115 °F-160°F in 5 °F intervals

Summary of content (2 pages)