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NHB-80

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 10:1
  • Integrated controls
Navien NHB-80 condensing heating boiler
NHB-80 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 10:1
  • Integrated controls
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NHB-80 premium features and benefits

Nhb
vent connections on top of NHB-H boiler

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

dual stainless steel heat exchangers inside NHB-H boiler

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

Navien NHB-55H condensing boiler with cover removed and internal components labeled
dual stainless steel heat exchangers inside NHB-H boiler

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.

 user control panel for NHB-H boiler

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.

negative pressure regulating gas valve in NHB-H boilers

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.

 

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