Submittal Sheet

- gas consumption ranges from 16,000 BTUh to
199,900 BTUh
- flow rates from 0.5 gpm up to 9.8 gpm
- ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors (-SV and -DVC models only) or installed
outdoors with an -OD model
- manufactured with commercial grade copper,
25% thicker piping than standard models
- available in Power Vent (-SV), Outdoor (-OD),
or Concentric Direct Vent (-DVC) model that requires either 4”
Category III or 5“/3” Noritz concentric stainless steel pipe
- two identical units can be linked together by using
the optional Quick Connect Cord (#QC-2) for twice the hot water capacity
- 0.82 (NG) 0.88 (LP) for all NR981 Series models
- 84% efficient for use with natural gas or propane
- includes remote thermostat that can precisely
adjust the output temperature from 100°F to 140°F with the capability to
display temperatures in both °C and °F
- 6’ power cord is included with -SV and
-DVC models (assembly required for SV models)
- Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection
Temperature Lockout, High Elevation Adjustment,
Service Reminder Function
- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm],
* 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 NR981 Series
Residential Tankless Water Heater
Specification Sheet
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
SV (Standard Vent)
OD (Outdoor Vent)
NR981 - _____
SV Model OD Model
Recess Box for OD Model (#RB-700-1)
Pipe Cover for SV/OD Model (#PC-2S)
Isolation Valves (#IK-WV-200-1)
DVC Model
DVC (Concentric Direct Vent)
Quick Connect Cord (#QC-2)
Pipe Cover for DVC Model (#PC-5S)
CERTIFIED
R
LOW-LEAD