Specification Sheet
- Gas consumption ranges from 18,000 BTUh to
180,000 BTUh
- Fl
o
w
rates from 0.5 gpm up to 8.3 gpm
- ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors (-DVC models only) or installed
outdoors (-OD model)
- Manufactured with commercial grade copper,
25% thicker piping than standard models
- Available in Outdoor (-OD), or Inside Model
Direct Vent Concentric (-DVC) using 5”/3” Noritz stainless steel vent pipe
- Two identical units can be linked together by using
the optional Quick Connect Cord for twice the hot water capacity
0.81 (NG) / 0.81 (LP) for DVC
- Includes remote thermostat that can precisely
adjust the output temperature from 115°F to 140°F
- 6’ power cord is included with -DVC
models
(assembly required for -OD models)
- Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection
Temperature Lockout, High Elevation Adjustment
Suitable for Installation in a Manufactured (Mobile) Home***
* 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
*** Manufactured (Mobile) Home approval is valid for OD or DVC models
CERTIFIED
R
Model NR83OD (GQ-2457WS US) Series
Residential Tankless Water Heater
Specification Sheet
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
OD (Outdoor Vent)
NR83_____
OD Model
Recess Box for OD Model (#RB-700-1)
Pipe Cover for OD Model (#PC-2S)
Isolator Valve (#IK-WV-200-1-(SW/ TH)-LF)
LOW-LEAD
0.81 (NG) / 0.81 (LP)
for OD
DVC Model
DVC (Concentric Direct Vent)
Quick Connect Cord (#QC-2)
Pipe Cover for DVC Model (#PC-2S)
New Scale Detection Function
- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm]
Uniform Energy Factor (UEF) -
Model NR83DVC (GQ-2457WS-FFA US) Series
Wireless Adapter (NWC-Adapter)