| AFUE | 95 |
| Application | Indoor high efficiency condensing heating boiler |
| Approvals and Standards | CSA SCAQMD ASME AHRI Energy star |
| Boiler Pump Included | None |
| BTU Category | 50-100,000 Btu/h |
| BTU Input Maximum | 55,000 Btu/h |
| BTU Input Maximum Heating | 55,000 Btu/h |
| BTU Input Minimum Heating | 8,000 Btu/hr |
| Depth | 12.8" |
| Efficiency Tier | 90% & Above |
| Elevation Rating | 0-7,000' |
| Fuel Type | Natural Gas or Propane |
| Gas Inlet | 3/4" |
| Heat Exchanger Type | Water Tube |
| Heating System Inlet | 1" |
| Heating System Outlet | 1" |
| Height | 23.8" |
| Installation Type | Indoor Wall Mount |
| Turndown Ratio | 7:1 |
| Type | Modular Condensing |
| Unit Width | 17.3" |
| Vent Material | PolyPro / PVC |
| Vent Size | 2" |
| Vent Type | Direct or power vent |
| Volts | 120 Volts |
| Warranty | 10/15 year heat exchanger 3/5 year parts 1 year labor |
| Weight | 73 lb |
- NHB Primary and Secondary Manifolds Spec Sheet PDF ↗
- NHB Technical Data Sheet PDF ↗
- NHB Installation and Operation Manual PDF ↗
- NHB Primary and Secondary Manifold Installation Instructions PDF ↗
- NHB User Information Manual PDF ↗
- NHB Gas Conversion Addendum (Vent Termination Cap) PDF ↗
- NHB Gas Conversion Guide PDF ↗
- NHB Quick Installation Guide PDF ↗
Description
The Navien High Efficiency Condensing Heating Boiler Max Htg Input: 55,000 BTU/h, Indoor Wall-Hung, Residential/Commercial NHB-55 by Navien is part of our condensing boilers selection.
- Brand: Navien
- Manufacturer Part #: NHB-55
- UPC: 884954979687
- Category: Condensing Boilers
- Shipping Weight: 73 lb