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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.

Noritz Residential Tankless Water Heaters



Noritz Commercial Tankless Water Heaters



vent pipe for Noritz tankless water heaters



Noritz Tankless Water Comparison Details


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)"
NRC1111 Series 199,900 16,000 0.50 - 11.1 95% 2 68 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
NRC711 Series 157,000 15,000 0.50 - 7.1 93% 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
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
NRC711 7.1 7.1 7.1 6.5 5.8 5.2 4.9 4.4 4.2 3.9 3.7 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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