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.

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Noritz Residential Tankless Water Heaters

Noritz Commercial Tankless Water Heaters

Noritz Tankless Water Comparison Details

Residential Tankless Water Heaters

Model 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)"
NRC111 Series 199,900 16,000 0.50 - 11.1 95% 2 68 lbs 24.2 x 18.3 x 9.4
NR98 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
NRC71 Series 157,000 15,000 0.50 - 7.1 93% 2 41 lbs 23.6 x 13.8 x 6.7

Commercial Tankless Water Heaters

Model 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)"
NC380 Series 380,000 22,500 0.70 - 13.2 80-84% 24 105 lbs 29.7 x 19.1 x 11.8
NCC1991 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

Flow Rate Guide (Temperature Rise vs. GPM)

Model Temperature Rise (F°)
30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
NRC111 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
NR98 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
NRC71 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
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
NCC1991 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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