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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
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Model: NCC1991-OD-NG
(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
Number of Reviews (2)
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  • Product Description
  • 2
    Reviews
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+
Fuel
Natural Gas
Location
Outdoor
# of Showers
3.0
Fuel
Natural Gas
Location
Outdoor
#of Showers
3.0
Energy Star Rated
Yes
Features
Features
    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
Specifications
General Information
Type
Tankless Water Heater
Product Line
Commercial
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 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
Condensing
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
UPC
817000012663
Performance
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 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 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 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 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
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
Efficiency
94 %
Efficiency Type
Thermal
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
Condensate Drain Size
0.5 Inches
Gas Connection Size
0.75 Inches
Cold Water Inlet
0.75 Inches
Hot Water Outlet
0.75 Inches
Product Height
24.4 Inches
Product Width
18.4 Inches
Product Depth
9.4 Inches
Product Weight
66 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
NSF Listed
Yes
Warranty Information
Parts Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
5 Years
Fuel
Natural Gas
Location
Outdoor
# of Showers
3.0
Fuel
Natural Gas
Location
Outdoor
#of Showers
3.0
Energy Star Rated
Yes
Features
Features
    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
Specifications
General Information
Type
Tankless Water Heater
Product Line
Commercial
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 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
Condensing
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
UPC
817000012663
Performance
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 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 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 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 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
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
Efficiency
94 %
Efficiency Type
Thermal
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
Condensate Drain Size
0.5 Inches
Gas Connection Size
0.75 Inches
Cold Water Inlet
0.75 Inches
Hot Water Outlet
0.75 Inches
Product Height
24.4 Inches
Product Width
18.4 Inches
Product Depth
9.4 Inches
Product Weight
66 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
NSF Listed
Yes
Warranty Information
Parts Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
5 Years
Product Specs
+
Specifications
General Information
Type
Tankless Water Heater
Product Line
Commercial
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 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
Condensing
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
UPC
817000012663
Performance
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 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 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 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 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
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
Efficiency
94 %
Efficiency Type
Thermal
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
Condensate Drain Size
0.5 Inches
Gas Connection Size
0.75 Inches
Cold Water Inlet
0.75 Inches
Hot Water Outlet
0.75 Inches
Product Height
24.4 Inches
Product Width
18.4 Inches
Product Depth
9.4 Inches
Product Weight
66 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
NSF Listed
Yes
Warranty Information
Parts Warranty A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
5 Years
Reviews
(2)
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