NHB-110 Condensing Gas Boiler 95% AFUE 110,000 BTU

NHB-110 Condensing Gas Boiler 95% AFUE 110,000 BTU

NPE-180A Tankless Water Heater 95% AFUE - 150,000 BTU

NPE-180A Tankless Water Heater 95% AFUE - 150,000 BTU

NHB-150 Condensing Gas Boiler 95% AFUE 150,000 BTU

Navien NHB-150 Highlights

  • 150,000 BTU/h
  • 95% AFUE
  • Dual Stainless Steel Heat Exchangers
  • TDR Up to 15:1
  • Advanced Burner System
  • Intergrated Smart Controls
  • Low NOx Emissions
  • Utilizes Existing 1/2" gas line
In stock

Navien NHB-150 Tankless Condensing Gas Boiler 95% AFUE 150,000 BTU

Navien's NHB-150 gas-fired condensing boiler is a excellent example of what tankless units are capable of in this day and age. Through a combination of dual stainless steel heat exchangers and modulating gas valves, the Navien NHB-150 has been engineered for ultra-low energy use and to make your home as comfortable as possible.The Navien NHB-150 employs a fully integrated smart control module for easy access to functions such as freeze control, adjustable heat capacity and timed hydronic supply water boost. Navien expertly packages this into a boiler small enough to mount on the wall of a closet.

Navien NHB-150 Features

  • Adjustable Delta T Ranges
  • Industry leading turn down ratios
  • Intregrated system setup, operations and troubleshooting
  • Anti-Freeze feature
  • Easy conversion from natural gas to propane
  • Dual stainless steel heat exchangers
  • Super condensing efficiency
  • Low NOx emissions
  • Utilizes existing 1/2" gas line

Navien NHB-150 Specifications

  • 150,000 BTU
  • 95% AFUE
  • Dimensions: 24in. (H) x 17in. (W) x 13in. (D)
  • Weight: 80 lbs
  • Installation Type: Indoor Wall-Hung
  • Venting Type:Forced Draft Direct Vent
  • Ignition: Electronic Ignition
  • Natural Gas Supply Pressure (from source): 3.5 in.-10.5 in. WC
  • Propane Gas Supply Pressure (from source) : 8.0 in.-13.5 in. WC
  • Natural Gas Manifold Pressure: -0.40 in. WC
  • Propane Gas Manifold Pressure: -0.30 in. WC
  • Gas Connection Size: 3/4 in. NPT (female)
  • Power SupplyMain Supply: 120V AC, 60Hz
  • Maximum Power Consumption: Less than 10A
  • Casing: Cold-rolled carbon steel
  • Heat Exchangers: Stainless Steel
  • Vent Clearance 0 in. to combustibles
  • Safety Devices: Flame Rod, APS, Gas Valve Operation Detector, Ignition Operation Detector Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor
  • Manufacturer: Navien
  • Model Number: NHB-150

Navien NHB-150 Warranty

  • Heat Exchanger: 15 Years
  • Parts & Components: 5 Years

Navien NHB-150 Single Family Water Heating

Tankless water heaters make ideal replacements for whole house electric and gas water heaters for most residential applications, including:

  • Houses
  • Condos
  • Apartments
  • Mobile/Manufactured Homes
  • Guest Houses
  • Recreational Pproperties

Navien NHB-150 Multi-Family Residential Whole House Water Heating

Property owners can save thousands of dollars annually by implementing tankless water heating technology in their units, while at the same time optomizing much desired floor space. Examples include:

  • Property Developers
  • Property Managers
  • Hotel Operators
  • Motel Operators,
  • Resort Property/Management

Navien NHB-150 Point-of-Use Water Heating

Due to their small size, tankless water heaters are well suited to point-of-use applications such as

  • Businesses
  • Schools
  • Organizations in need of low-cost hot water for lavatories, cafeterias, and more

Navien NHB-150 Commercial Uses

Common applications include:

  • Hairdressing Salons
  • Spas
  • Laundromat Facilities
  • Restaurants
  • Lodges
  • Hotels



Product Specs
  • Model

  • AFUE %

  • Indoor / Outdoor

  • Gas connection
    3/4" NPT Female

  • Venting Type
    Forced Draft Direct Vent

  • Heat Exchanger Material
    Stainless Steel

  • Height

  • Width

  • Depth

  • Gas Input (Domestic Hot Water)
    150,000 BTU

  • Gas Input (Space Heating)

  • Intake Vent Size
    2" or 3" PVC

  • Exhaust Vent Size
    2" or 3" PVC

  • Power Consumption
    120V AC 60 Hz

  • Max Power Consumption
    Less than 10A

  • Warranty
    5 Years Parts, 10 Years Heat Exchanger