Which version do I need? This is the original NHB series. The newer NHB-80H (NHB-H series) adds up to 15:1 turndown and dual stainless steel heat exchangers. If you are replacing an existing NHB, check the model on the rating plate. See also: Navien NHB-80H Condensing Heating Boiler, 80,000 BTU, Indoor Wall-Hung, NG/LP Convertible - NHB-H Series, up to 15:1 Turndown.
The Navien NHB-80 High Efficiency Condensing Heating Boiler, 80,000 BTU, Indoor Wall-Hung, NG/LP Convertible, NG/LP Convertible by Navien is part of our condensing boilers selection.
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Brand: Navien
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Manufacturer Part #: NHB-80
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UPC: 884954979694
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Category: Condensing Boilers
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Shipping Weight: 73 lb
Features
- Heating input 8,000 to 80,000 BTU/h (10:1 turndown)
- Heating capacity 74,000 BTU/h; net AHRI rating 64,000 BTU/h
- 95% AFUE condensing design with primary and secondary stainless steel heat exchangers
- Forced draft direct vent; 2" venting up to 60 ft (including Schedule 40 PVC); approved vent materials PVC, CPVC, polypropylene, stainless steel and special gas vent type BH (Class III, A/B/C)
- Dual Venturi for field gas convertibility between natural gas and propane; 1/2" gas pipe capable up to 40 ft (subject to local code)
- Compact indoor wall-hung unit: 24" H x 17" W x 12" D, 73 lbs
- Connections: 1" space heating supply/return, 3/4" NPT (female) gas inlet
- Built-in pressure sensor and low water cut-off (LWCO), metal fiber premix burner, inlet air filter and condensate trap
- 120V AC, 60Hz power, less than 10A maximum
- ASME "H" stamp, ENERGY STAR certified and SCAQMD Rule 1146.2 low NOx (<20 ppm) per Navien