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Noritz NH150-DV 93W Tankless Hydronic Boiler with Direct Vent

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Noritz NH150-DV Details
Noritz 93W Tankless Hydronic Boiler with Direct Vent

Noritz NH Series NH-1501-DV Liquid Propane Tankless Hydronic Boiler is designed specifically for heating homes. This tankless water heater is an indoor wall mounting unit with direct venting. This model provide quiet and constant heat to your home by providing hot water to panel radiators, baseboards, radiant flooring and forced hydro-air systems. Available in Liquid Propane Gas model, this unit is energy efficient, environmentally friendly, and supplies hot water whenever you need it. Also, it is capable of offering nine temperature settings of endless hot water for hydronic heating. Being significantly smaller in size, this tankless water heater gives your home more space to enjoy.


  • Safety Devices Flame Rod, Thermal Fuse, Lightning Protection Device (ZNR), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector, Boil-dry Safety Device, Boil-dry Protection Device, Overcurrent Protection Device
  • Fully modulating burner - Automatically adjusts burner level accordingly
  • Dual flame burner - Noritz exclusive! Minimizes temperature fluctuations
  • WARNING!!! PVC cannot be used for venting. Use only Category III (stainless steel venting)


  • Isolation valves (IK-WV-6)
NH150-DV Specifications

Air Supply/Exhaust Type: Direct Vent / Sealed Combustion
Amount of boiler water used: 4-17 GPM (bypass minimum-flow rate 2.5GPM)
Casing Materials: Zincified Steel Plate/Polyester Coating
Centigrade (Degree): 60-80C (In 5C intervals), 83C (6 Options)
Color: White
Consumption: 93W
Depth: 9-2/5
Flue Collar Materials: Stainless Steel
Fuel Type: Liquid Propane, Natural Gas
Gas Inlet: 3/4"
Heat Exchanger Materials: Copper Sheeting, Copper Tubing
Heating method Type: Closed type hot-water circulation method
Height: 24-1/5
Ignition: Direct Ignition
Installation Type: Indoor Wall Mounted
Max Gas Consumption: 150,000 BTU/Hr
Min Gas Consumption: 55,500 BTU/Hr
Operating Pressure: 15-150 psi
Return: 1"
Safety valve setting pressure: 30 psi
Standard Output: 45,500-122,400 BTU/Hr
Supply: 1"
Supply: 120 VAC (60Hz)
Temperature Settings Fahrenheit (Degree): 140-170F (In 5F intervals), 176, 180F (9 Options)
Thermal Efficiency: 82.8%
Water Holding Capacity: 0.4 Gallon
Weight: 65.3
Width: 18-1/3

NH150-DV is listed under the following SKUs

Liquid Propane
Natural Gas

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Noritz NH150-DV Reviews
Noritz NH150-DV Questions and Answers

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    will this boiler handle 4 zones that equal to about 2500 sq/ft and can it handle the demand if all 4 zones are calling for heat
    Asked on 12/30/2013 by cowboy from clearfield pa

    1 answer



      This unit can handle 4 zones

      Answered on 4/27/2014 by Anonymous
  • Q:

    Can this unit be used in conjunction with a domestic hot water tank?

    Does this unit have an option for domestic hot water
    Asked on 3/5/2013 by Erik from Boulder, CO

    1 answer



      A Hydronic Boiler would be installed in conjunction to a hot water heater; but as a separate unit. The operation of one would have nothing to do with the other. The boiler would be mainly used as a source of heat for the home, where as the homes water heater is specific to heating only the water supply.

      Answered on 3/7/2013 by Anonymous
Displaying questions 1-2

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