Model NR111 Series
Residential Tankless Water Heater
Specification Sheet
• Standard Input - gas consumption ranges from 11,000 BTUh to
250,000 BTUh
• Capacity Range - flow rates from 0.5 gpm up to 11.1 gpm
• Compact Design - ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors (-SV and -DV models only) or installed
outdoors with an -OD model
• Durable Steel Casing with Polyester Coating
• Heat Exchanger - manufactured with commercial grade copper,
25% thicker piping than standard models
• Venting Options - available in Power Vent (-SV), Outdoor (-OD), or
Direct Vent (-DV) model that requires 4” Category III stainless steel
pipe
• Direct Electronic Ignition
• Quick-Connect
the optional Quick Connect Cord for twice the hot water capacity
• Thermal Efficiency - 84% efficient for use with natural gas or propane
• Temperature Controls - includes remote thermostat that can precisely
adjust the output temperature from 100°F to 180°F
• Power Cord Installation Kit - 6’ power cord is included with -SV and
-DV models (assembly required for SV models)
- two identical units can be linked together by using
SV Model
OD Model
Model
NR111 - _____
SV (Standard Vent)
OD (Outdoor Vent)
DV (Direct Vent)
Accessories
Outdoor Vent Cap for -SV Model (#VC-4-1)
Isolator Valves (#IK-WV-200-1)
Pipe Cover (#PC-3S)
Quick Connect Cord (#QC-1)
Recess Box for OD Model (#RB-900)
DV Model
• Safety Devices - Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection
• Additional Features - Temperature Lockout, High Elevation Adjustment
• 12-Year* Limited Heat Exchanger Warranty for Residential Use
• 5-Year Limited Parts Warranty
• Approvals - CSA, UPC**, NSF, Low NOx Compliant with Jurisdictions Requiring <40 ng/J or 55ppm
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 and DV models only
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
CERTIFIED
LOW-LEAD
R
1.6"
0.4" 9.4"
3.7"
2.7"
1.1"
FLUE COLLAR
Dimensions
18.3"
17.6"
4"
FLUE COLLAR
18.3"
17.6"
10.6 3.2"
23.1"
0.4"
Temperature
Rise (°F)
Flow Rate
(GPM)
SIDE VIEW
1.7 2"
LED
4" 4"
AIR INLET
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
18.4"
17.6"
5.9"
DV Model
AIR INLET
WIRING THROUGHWAYS
WATER DRAIN VALVE
(WATER FILTER)
HOT WATER OUTLET
WATER DRAIN VALVE
24.2"
FRONT VIEW
BOTTOM VIEW
LED
AIR INLET
GAS INLET
COLD WATER INLET
WIRING THROUGHWAY
(120VAC)
OD Model
Flow Rates
30 40 45 50 60 70 80 90 100
11.1 10.5 9.3 8.4 7.0 6.0 5.3 4.7 4.2
Pressure Loss
55
45
30
35
30
25
20
Pressure Loss (psi)
15
10
5
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
Set temperature:
145°F or higher
Set temperature:
140°F or less
Flow Rate (gpm)
110
100
90
80
70
60
50
40
30
20
10
0
Ft of Head
9.2"
FLUE COLLAR
LED
NR111 Series
1.7"HOT WATER OUTLET
2.2"COLD WATER INLET
2.2"GAS INLET
Specifications
Model Name
Weight
Water Holding Capacity
Connection
Sizes
Power
Freeze Protection
Water Inlet 3/4"
Hot Water Outlet 3/4"
Gas Inlet 3/4"
Supply 120VAC (60Hz), less than 3 amperes
Consumption NG: 62W LP: 75W Freeze Prevention 145W
Indoor: -30
Temperature Settings 100-150°F (In 5°F inter vals), 160°F, 170°F, *180°F (14 Options)
Default Temperature Options 120, 130, 140, *180 °F (Default is 120°F)
*181.4°F actual output temperature
NR111-SV
°F Outdoor: -4°F
NR111-OD
62 (pounds)
0.3 Gallon
NG: 64W LP: 77W Freeze Prevention 145W
Outdoor: -4°F
NR111-DV
NG: 85W LP: 100W Freeze Prevention 161W
Indoor: -30
°F
Rev. 11/13