NAVIEN
All NHB series boilers have Navien’s advanced burner system, an industry-leading AFUE of 95% and turn down rations up to 15:1. For larger commercial applications, up to 16 NHB units can be cascaded with common venting for up to 8 units.
Condensing Heating Boilers
NHB SERIES
NHB-55
Max Input : 55,000 BTU/H Indoor Only Residential / Commercial
Super condensing efficiency
Dual stainless steel heat exchangers
SCH40, 2” PVC venting up to 60’
½” Gas pipe up to 24’
TDR up to 7:1
integrated controls
NHB-80
Max Input : 80,000 BTU/H Indoor Only Residential / Commercial
Super condensing efficiency
Dual stainless steel heat exchangers
SCH40, 2” PVC venting up to 60’
½” Gas pipe up to 24’
TDR up to 10:1
integrated controls
NHB-110
Max Input : 110,000 BTU/H Indoor Only Residential / Commercial
Super condensing efficiency
Dual stainless steel heat exchangers
SCH40, 2” PVC venting up to 60’
½” Gas pipe up to 24’
TDR up to 11:1
integrated controls
NHB-150
Max Input : 150,000 BTU/H Indoor Only Residential / Commercial
Super condensing efficiency
Dual stainless steel heat exchangers
SCH40, 2” PVC venting up to 60’
½” Gas pipe up to 24’
TDR up to 15:1
integrated controls
NFB-175
Max 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’
½" Gas pipe up to 24' (Subject to local code)
TDR 10:1
Advanced user interface and controls
NFB-200
Max 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’
½" Gas pipe up to 24' (Subject to local code)
TDR 10:1
Advanced user interface and controls