Noritz NCC1991-OD-NG
Noritz NCC1991-OD-NG
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Noritz NCC1991 - 6.2 GPM at 60° F Rise - 94% Eff. - Gas Tankless Water Heater - Outdoor

Model:

NCC1991-OD-NG

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Noritz NCC1991 - 6.2 GPM at 60° F Rise - 94% Eff. - Gas Tankless Water Heater - Outdoor
Noritz NCC1991 - 6.2 GPM at 60° F Rise - 94% Eff. - Gas Tankless Water Heater - Outdoor
Model: NCC1991-OD-NG
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Recommended Accessories

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Expert Recommended Accessories Selected by Ken, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

Features

Fuel

Natural Gas

Location

Outdoor

# of Showers

3.0

Energy Star Certification

Yes

    Noritz has been in the business of providing homes with hot water for over sixty years, and introduced the industries first electronically controlled water heater in 1981. The NCC1991-OD-NG represents the culmination of the experience gained over those sixty years. Noritz Commercial tankless water heaters are engineered to perform with efficient precision, making these units perfect for any commercial project. These fully modulating units are designed with commercial grade copper heat exchangers that allow for optimal performance and are backed by a five-year heat exchanger warranty.Product Features
  • Built for Efficiency
  • The NCC1991-OD-NG boasts a 94% thermal efficiency rating achieved through the inclusion of condensing technology, recovering as much energy as possible and reusing it, saving you fuel and money.
  • Made with Safety in Mind
  • Noritz tankless water heaters have built-in safety devices including a flame sensor, neutralizer overfill sensor, overheat prevention device, lightning protection device, and freeze protection device, all backed by a five-year parts warranty.
  • Temperature Control
  • The Noritz NCC1991-OD-NG includes an easy-to-use thermostat attached to the front panel, allowing for convenient temperature control for your hot water system.
  • Compact, Modern Design
  • Noritz tankless water heaters are engineered to have a compact design that easily allows for outdoor installation.
  • Multiple Unit System Compatibility
  • For extra-demanding systems, the Noritz NCC1991-OD-NG unit can also be linked together with up to 24 units.
  • New Model Number
  • Effective May 2016, Noritz has updated the model number of the NCC1991-OD-NG to GQ-C3257WZ US NG
  • Product Includes
  • (5) Anchoring Screws
  • (1) Remote Controller
  • (6') Remote Controller Cord
California residents see
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
For more information go to: www.p65Warnings.ca.gov

Specifications

NCC1991-OD-NG
specs product image PID-31832
General Information
Type
Tankless Water Heater
Product Line
Commercial
Medium Learn More
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
Hot Water
Fuel Type Learn More
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Combustion Type Learn More
Combustion Type
Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.
Condensing
Vent Type Learn More
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Outdoor (No Venting)
Storage Type
Tankless
Mount Type
Wall
Installation Location
Outdoor
Gas Conversion Kit
Not Available
Performance
Maximum Input Capacity Learn More
Maximum Input Capacity
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
199900 BTU
Minimum Input Capacity
16000 BTU
Flow Rate at 40F Temperature Rise Learn More
Flow Rate at 40F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
9.3 GPM
Flow Rate at 45F Temperature Rise Learn More
Flow Rate at 45F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
8.4 GPM
Flow Rate at 50F Temperature Rise Learn More
Flow Rate at 50F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
7.4 GPM
Flow Rate at 60F Temperature Rise Learn More
Flow Rate at 60F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
6.2 GPM
Flow Rate at 70F Temperature Rise Learn More
Flow Rate at 70F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
5.3 GPM
Efficiency Type
Thermal
Thermal Efficiency
94 %
Ultra Low NOx Emissions Learn More
Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx. Learn More
Yes
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
3/4 Inch
Condensate Drain Size
1/2 Inch
Cold Water Inlet
3/4 Inch
Hot Water Outlet
3/4 Inch
Product Height
24 19/48 Inches
Product Width
18 19/48 Inches
Product Depth
9 19/48 Inches
Product Weight
66 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
NSF Certified Learn More
NSF Certified
The National Sanitation Foundation has developed public health standards and certification programs to protect the world's food, water, consumer products and environment.
Yes
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
5 Years

Reviews

(2)
Noritz NCC1991-OD-NG Reviews & Ratings

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Noritz NCC1991 - 6.2 GPM at 60° F Rise - 94% Eff. - Gas Tankless Water Heater - Outdoor
Noritz NCC1991-OD-NG
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