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The Noritz NH199-DV-NG has been discontinued.
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(800) 865-5931

Monday - Friday

8:30 AM - 5:00 PM Central

Noritz is the first tankless water heater manufacturer to introduce tankless hydronic boilers. The NH Series consists of two models, the NH199-DV and NH150-DV. Both of these direct vent models provide quiet and constant heat to your home by providing hot water to applications such as cast-iron radiators and baseboards. These units are space saving, energy efficient, and environmentally friendly. They are capable of offering nine temperature settings and are fully-modulating, meaning energy is used efficiently. These tankless hydronic boilers are significantly smaller in size, weighing in at only 66 pounds compared to conventional boilers which typically weigh more than 300 pounds, giving your home more space to enjoy.

Standard Features:

  • 82.7% Efficiency
  • Thicker, commercial-grade copper heat exchanger
  • Integrated priority controls for indirect domestic water heating and hydronic heating systems
  • Reduced pressure loss through the heat exchanger
  • Direct ignition
  • Fully modulating burner
  • Dual flame burner minimizes temperature fluctuations
  • 140° - 180°F temperature setting
  • Direct vent

Heating Capacity

The amount of heat, rated in BTUs that the item can produce.

Heating Capacity
199,900 BTU
Effective Heating Capacity (BTUs)
163,100
Water Capacity
0.4 Gallons
Efficiency (% AFUE)

The percentage of energy converted into output by the unit. The remaining percentage is lost during the conversion process. The higher the efficiency, the lower the operational cost.

Efficiency (% AFUE)
82.7 %
Efficiency Range

The percentage of energy converted into output by the unit. The remaining percentage is lost during the conversion process. The higher the efficiency, the lower the operational cost.

Efficiency Range
80 - 89%
Ignition Type
Direct Ignition
Piping Connections - Water
1 Inch(es)
Dual Pipe Vent Diameter
4 inches
Product Weight
65 lbs
Width
18 3/10 Inches
Depth
9 2/5 Inches
Height
24 1/5 Inches
Voltage
120 Volts
Frequency
60 Hz
Heat Exchanger Warranty
10 Years
Parts Warranty
1 Years

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.