Noritz NR71-OD User Manual

Model NR71 Series

Residential Tankless Water Heater

Specification Sheet

- gas consumption ranges from 25,000 BTUh to

180,000 BTUh

- flow rates from 0.5 gpm up to 7.1 gpm

- ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors (-SV model only) or installed outdoors
with an -OD model

- available in Power Vent (-SV) or Outdoor (-OD)
model that requires 4” Category III stainless steel pipe

- 0.83 (NG) 0.83 (LP) for SV model

0.82 (NG) 0.83 (LP) for OD model

- 83% efficient for use with natural gas or propane

- includes 120°F (default), 130°F, or 140°F

standard temperature settings*

- the SV model includes 6’ power cord and

provided wire connectors (assembly required)

- Flame Sensor, Overheat Prevention Device,

Lightning Protection Device, Freeze Protection

Temperature Lockout, High Elevation Adjustment

- CSA, UPC***, NSF, Low NOx Compliant with Jurisdictions Requiring

<40 ng/J or 55ppm

LOW-LEAD

SV Model

NR71 - _____

SV (Standard Vent)

OD (Outdoor Vent)

Outdoor Vent Cap for SV Model (#VC-4-1)

Remote Controller (#RC-7649M)

Remote Controller Cord (#RC-CORD10)

Pipe Cover (#PC-1S)

Isolator Valves (#IK-WV-200-1)

Recess Box for OD Model (#RB-600)

OD Model

CERTIFIED

R

* Optional remote thermostat can precisely adjust the output temperature from 100°F to 160°F in 5°F intervals
** 3-Year Heat Exchanger warranty if supplied with pre-heated or circulated water, 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

NORITZ AMERICA CORPORATION

11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com

Dimensions

0.4"

3.2"22.3"

1.2"

0.4"

SIDE VIEW

Temperature
Rise (°F)

Flow Rate
(GPM)

3"

6.7"

1.1"

AIR INLET

WATER DRAIN VALVE

(WATER FILTER)

HOT WATER OUTLET

WATER DRAIN VALVE

23.6"

LED

13.8"

13.1"
4"

FRONT VIEW

WIRING THROUGHWAYS

COLD WATER INLET

BOTTOM VIEW

FLUE COLLAR

AIR INLET

GAS INLET

OD Model

HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE

NR71 Series

1.8"HOT WATER OUTLET

1.9"COLD WATER INLET

2.0"GAS INLET

Flow Rates

30 40 45 50 60 70 80 90 100

7.1 7.1 6.3 5.8 4.8 4.1 3.6 3.2 2.9

Model Name
Weight
Water Holding Capacity

Connection
Sizes

Power

Consumption NG: 59W LP: 66W Free ze Preventi on 141W

Freeze Prevention

Pressure Loss

30

25

20

15

10

Pressure Loss (psi)

5

0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Flow Rate (gpm)

Specifications

NR71-SV

41 (pounds)

0.2 Gallon
3/4"Water Inlet
3/4"Hot Water Outlet
3/4"Gas Inlet

120VAC (60Hz), less than 2 ampersSupply

NG: 46W LP: 50W Free ze Preventi on 141W

Indoor: -30

100-150 °F (ln 5°F intervals), 160°F (12 Options)Temperature Settings

120, 130, 140°F (Default is 120°F)Default Temperature Options

NR71-OD

Outdoor: -4°F Outdor: -4°F

60

50

40

30

20

10

0

Ft of Head

ut notice.

Rev. 07/15