Navien-app-icon-ci

Download the new Navien mobile app!

Apple iOSGoogle Android

NHB-150

high efficiency Condensing Heating Boiler

  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • ½" Gas pipe up to 40'
  • TDR up to 15:1
  • Integrated controls
Navien NHB-150 condensing heating boiler
NHB-150 certifications
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • ½" Gas pipe up to 40'
  • TDR up to 15:1
  • Integrated controls
Credits & Rebates Finder
Find Sales Rep

NHB-150 premium features and benefits

Nhb
A3

2" venting up to 65';
3” up to 150’ (including schedule 40 PVC).

Dual stainless steel heat exchanger-b-new

The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.

Nhb
Gas flow control system

The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.

Gas flow control system

The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.

Control4

NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.

Tube

1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.

 

NHB-150 QuickFacts

NHB-150 Reviews

NHB-150 FAQs

Error code E001 appears on the front panel when the heat exchanger is over temperature. One possible remedy is to perform an Auto reset, Manual reset, or Power on reset. If that doesn’t work, the service technician should contact Navien’s technical support at 1-800-519-8794.

Error code E302 appears on the front panel when your system has low water pressure. A possible remedy is a Manual reset. If that doesn’t work, the service technician should contact Navien’s technical support at 1-800-519-8794.

Compare NHB models

NHB-55
Max HTG Input: 55,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NHB-55 condensing heating boiler
View model
NHB-55
NHB-80
Max HTG Input: 80,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NHB-80 condensing heating boiler
View model
NHB-80
NHB-110
Max HTG Input: 110,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NHB-110 condensing heating boiler
View model
NHB-110
NHB-150
Max HTG Input: 150,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NHB-150 condensing heating boiler
View model
NHB-150
Contact Us