Specification Sheet

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)
*Optional remote thermostat can adjust temperature from 115°F - 160°F in 5°F intervals
**12 Years replacement on the heat exchanger when the product is used in a single family dwelling. 3 Years replacement on heat exchanger when the product is used for commercial
capacity, if it is used in other than a single family dwelling, or if the product is supplied with pre-heated or circulated water (an aquastat being the minimum pump control
requirement). 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.
Standard Input- Gas consumption ranges from 15,000 BTUh to 120,000 BTUh
• Capacity Range- Flow rates from 0.5 GPM up to 5.0 GPM
• Compact Design- ANSI Z21.10.3/CSA 4.3 certified design that can be
wall-mounted outdoors.
• Durable Steel Casing with Polyester Coating
• No Venting Required - Outdoor (-OD) model does not require any additional
vent pieces
• Uniform Energy Factor (UEF) - 0.81(NG) / 0.81(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*
• Safety Devices- Flame Sensor, Overheat Prevention Device, Lighting Protection
Device, Freeze Protection, Fan Rotation Detector
• Additional Features - Temperature Lockout, High Elevation Adjustment, Built-in
display window
• 12-Year** Limited Heat Exchanger Warranty for Standard Residential Use
• 5-Year Limited Parts Warranty
• 1-Year Reasonable Labor Warranty
• Approvals- CSA (US Only), UPC***, NSF, Low NOx - Complies with SCAQMD Rule
1146.2 (14 ng/J or 20ppm) low NOx regulations.

Summary of content (2 pages)