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Noritz Tankless Water Heaters


Noritz is a well known leader in the tankless water heater industry and are offered by PlumbingSupply.com®. Save money and space by going tankless today! Below are the great and reliable tankless water heaters for all of your residential and commercial water heating needs.

Learn how you can qualify for a 2013 federal tax credit by installing a Noritz tankless water heater - learn more

Noritz Residential Tankless Water Heaters
Noritz tankless water heater
Noritz NR111 Series
  Noritz tankless water heater
Noritz NRC1111 Series
  Noritz tankless water heater
Noritz NR981 Series

Noritz tankless water heater
Noritz NR83 Series
  Noritz tankless water heater
Noritz NR71 Series
  Noritz tankless water heater
Noritz NR66 Series

Noritz Commercial Tankless Water Heaters
Noritz tankless water heater
Noritz NC380 Series
  Noritz tankless water heater
Noritz NC250 Series
  Noritz tankless water heater
Noritz NCC199 Series
  Noritz tankless water heater
Noritz NC1991 Series


Noritz Residential Tankless Water Heaters

Noritz tankless hydronic boiler



Noritz Tankless Water Heater Comparison Chart
Model Comparison Details
Max BTU
(per unit)
Min BTU
(per unit)
Flow Rate
(GPM/unit)
Thermal
Efficiency
Max Units
In Series
Net
Weight
Dimensions
(H x W x D)"
NR111 Series 250,000 11,000 0.50 - 11.1 84% 2 62 lbs 24.2 x 18.3 x 9.4
NRC1111 Series 199,900 11,000 0.50 - 11.1 93% 2 74 lbs 24.2 x 18.3 x 9.4
NR981 Series 199,900 12,000 0.50 - 9.8 84% 2 47 lbs 23.6 x 13.8 x 9.4
NR83 Series 180,000 18,000 0.50 - 8.3 84% 2 49 lbs 23.6 x 13.8 x 9.4
NR71 Series 180,000 25,000 0.50 - 7.1 83% 2 41 lbs 23.6 x 13.8 x 6.7
NR66 Series 140,000 20,000 0.50 - 6.6 83% 2 36 lbs 20.5 x 13.8 x 6.7
NC380 Series 380,000 22,500 0.70 - 13.2 80-84% 24 105 lbs 29.7 x 19.1 x 11.8
NC250 Series 250,000 11,000 0.50 - 9.3 84% 24 62 lbs 24.2 x 18.4 x 9.4
NCC199 Series 199,900 11,000 0.50 - 11.1 93% 24 73 lbs 24.4 x 18.4 x 9.4
NC1991 Series 199,900 12,000 0.50 - 9.8 84% 6 47 lbs 23.6 x 13.8 x 9.4



Noritz Tankless Water Heater Flow Rate Guide (Temp Rise vs GPM)
Model Temperature Rise (F°)
30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
NR111 G

P

M
11.1 11.1 10.5 9.3 8.4 7.6 7.0 6.5 6.0 5.6 5.3 4.9 4.7 4.4 4.2
NRC1111 11.1 10.6 9.3 8.4 7.4 6.8 6.2 5.8 5.3 5.0 4.6 4.4 4.1 3.9 3.7
NR981 9.8 9.2 8.4 7.5 6.7 6.1 5.6 5.2 4.8 4.5 4.2 4.0 3.7 3.5 3.4
NR83 8.3 8.3 7.6 6.7 6.1 5.5 5.0 4.7 4.3 4.0 3.8 3.6 3.4 3.2 3.0
NR71 7.1 7.1 7.1 6.3 5.8 5.2 4.8 4.4 4.1 3.8 3.6 3.4 3.2 3.0 2.9
NR66 6.6 6.6 5.7 5.3 4.6 4.2 3.8 3.5 3.3 3.1 2.9 2.7 2.6 2.4 2.3
NC380 13.2 13.2 13.2 13.2 12.5 11.3 10.4 9.6 8.9 8.3 7.8 7.9 6.9 6.6 6.4
NC250 11.1 11.1 10.5 9.3 8.4 7.6 7.0 6.5 6.0 5.6 5.3 4.9 4.7 4.4 4.2
NCC199 11.1 10.6 9.3 8.4 7.4 6.8 6.2 5.8 5.3 5.0 4.6 4.4 4.1 3.9 3.7
NC1991 9.8 9.2 8.4 7.5 6.7 6.1 5.6 5.2 4.8 4.5 4.2 4.0 3.7 3.5 3.4

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