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High Efficiency Condensing Heating Gas Boiler, Space Heating 55,000 – 150,000 BTU/h, AFUE 95%, Energy Star Certified.
Flexible Venting: 2″ venting up to 65′; 3” up to 150’ (including schedule 40 PVC).
Dual stainless steel heat exchanger: The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
High Turndown Ratio: The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
Easy Installation for Retrofit Application: 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.
NHB integrated control: 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.
Limited Warranty: 5 Years Parts, 10 Years Heat Exchanger and 2 Years Our Labor Warranty
General Information | |
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Type | Heating Boiler |
Model: | NHB |
Fuel Type: | Natural Gas/Propane |
Installation Type | Indoor wall-hung |
Ignition | Electronic Ignition |
Performance | |
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AFUE: | 95% |
Space Heating Input | 55,000 – 155,000 BTU/h |
Energy Star Certified: | Yes |
Warranty Information | |
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Parts Warranty: | 5 Years |
Heat Exchanger Warranty: | 10 Years |
Labour Warranty: | 2 Years (House Depot) |
Documents |
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Navien NHB Brochure |
Navien NHB QuickFacts |
High Efficiency Combi-Boiler, Space Heating Up to 150,000 BTU/h, DHW Up to 210,000 BTU/h
High Efficiency Combi-Boiler, Space Heating Up to 199,900 BTU/h, DHW Up to 210,000 BTU/h
High Efficiency Boiler (Space Heating Only), Up to 199,900 BTU/h, Heating Capacity
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