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Navien Condensing Gas Boilers - NHB & NFB Series

Hight efficiency condensing heating boilers. Space saving design occupies 80% less space than traditional floor standing boilers. Protect the environment as you add value.
Navien

NHB Series Boilers

Navien innovation available in a space-saving wall-hung condensing boiler.
Navien NHB Boiler - Brochure
​Navien NHB Series - Quick Facts

NHB-150

Max HTG Input: 150,000 BTU/H
Indoor wall-hung
Residential/Commercial
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • 1/2" gas pipe up to 40'
  • TDR up to 15:1
  • Integrated controls

NHB-110

Max HTG Input: 110,000 BTU/H
Indoor wall-hung
Residential/Commercial
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • 1/2" gas pipe up to 40'
  • TDR up to 11:1
  • Integrated controls

NHB-80

Max HTG Input: 80,000 BTU/H
Indoor Only - wall-hung
Residential Only
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • 1/2" gas pipe up to 40'
  • TDR up to 10:1
  • Integrated controls

NHB-55

Max HTG Input: 55,000 BTU/H
Indoor Only - wall-hung
Residential Only
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2" PVC venting up to 60'
  • 1/2" gas pipe up to 40
  • TDR up to 7:1
  • Integrated controls

NFB Series Fire Tube Boilers

Navien totally reinvented fire tube technology from the ground up and continues to advance boiler technology
Navien NFB Boiler - Brochure
​Navien NFB Series - Quick Facts

NFB-200

Max HTG Input: 199,900 BTU/H
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'
  • 1/2" gas pipe up to 24'
  • TDR 10:1
  • Advanced user interface and controls

NFB-175

Max HTG Input: 175,000 BTU/H
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'
  • 1/2" gas pipe up to 24'
  • TDR 10:1
  • Advanced user interface and controls