Navien Boilers

Navien.

All Navien NHB and new NFB-H boilers have Navien's advanced burner system. The industry's largest turn down ratio means easier installation with multiple zones while maintaining high operational efficiencies.

Select a Model to Learn More:

Navien NHB Boiler.

NHB Boiler
Navien NFB-H Boiler.

NFB-H Boiler
Navien NFB Boiler.

NFB Boiler
Navien NHB Boiler.

NHB Condensing Heating Boiler

As the leader in condensing technology, Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. The new NHB boiler series is the next in line of innovations from Navien. All NHB boilers have Navien's advanced burner system, an industry-leading AFUE of 95% and turn down ratios up to 15:1.

NHB Models

NHB-55

Max HTG Input: 55,000 BTU/H

NHB-80

Max HTG Input: 80,000 BTU/H

NHB-110

Max HTG Input: 110,000 BTU/H

NHB-150

Max HTG Input: 150,000 BTU/H

Features

  • Indoor wall-hung

  • Residential/Commercial

  • 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

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Navien NFB-H Boiler.

NFB-H High Efficiency Condensing Heating Boiler

Navien keeps raising the bar higher and higher in fire tube boiler innovations.

We totally reinvented fire tube technology from the ground up and we continue to advance our boiler technology to a higher level with the new NFB-H boiler series.

NFB-H Models

NFB-H-175

Max HTG Input: 175,000 BTU/H

NFB-H-200

Max HTG Input: 199,900 BTU/H

Features

  • Indoor wall-hung

  • Residential/Commercial

  • 15:1 TDR

  • 95% AFUE - Energy Star certified

  • 2" venting up to 65', 3" venting up to 150'

  • Advanced controls with Intuitive user interface and Setup Wizard

  • Built-in powered connections for 3 zone valves or 3 zone pumps

  • Common venting up to 8 units and cascading up to 16 units

  • Approved for high altitude up to 10,100 ft. (NG and LP), conversion kits included

  • Patented stainless steel fire tube heat exchanger with non-metallic condensate base

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Navien NFB Boiler.

NFB Condensing Heating Boiler

 

NFB Models

NFB-175H

Max HTG Input: 175,000 BTU/H

NFB-200H

Max HTG Input: 199,900 BTU/H

Features

  • Indoor wall-hung

  • Residential/Commercial

  • Super condensing efficiency

  • Patented compact stainless steel fire tube heat exchanger

  • PVC exhaust venting capable: 2" up to 60'; 3" up to 150'

  • ½" Gas pipe up to 24' (Subject to local code)

  • TDR 10:1

  • Advanced user interface and controls

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