| Connection sizes (Gas inlet) | 3/4" NPT |
| Natural gas supply pressure (from source) | 3.5 " WC to 10.5 " WC |
| Propane gas supply pressure (from source) | 8 " WC to 13.5 " WC |
| Natural gas manifold pressure (min-max) | -0.06 " WC to -0.87 " WC |
| Propane gas manifold pressure (min-max) | -0.01 " WC to -0.92 " WC |
| Power supply (Main supply) | 120V AC, 60Hz |
| Power supply (Maximum power consumption) | Less than 12 amperes |
| Venting (Exhaust) | 3" or 4" PVC, CPVC, PP and SS / 3" or 4" special gas vent type BH (Class III, A/B/C |
| Venting (Intake) | 3" or 4" PVC, CPVC, PP and SS / 3" or 4" special gas vent type BH, (Class III, A/B/C) |
| Venting (Vent clearances) | 0" to combustibles |
| Dimensions | 25.1" W x 32.8" H x 22.3" D |
| Boiler weight | 243 lbs |
| Materials (Casing) | Cold rolled carbon steel |
| Materials (Heat exchangers) | Stainless steel |
| Safety Devices | Flame rod, APS, Ignition operation detector, Water temperature high limit switch, Exhaust temperature high limit sensor, Water pressure sensor |
| AHRI number | 201925233 |
| Energy star certified | Yes |
| CSA | Yes |
| SCAQMD 1146.2 (NOx, <20ppm) | Yes |
| Thermal efficiency (%) | 97.5 |
| Boiler Weight With Water | 307 lbs |
| ASME Certified | Yes "H" Stamp |
Description
The Navien High Efficiency Condensing Heating Boiler Max Htg Input: 301,000 BTU/h, Indoor Wall-Hung, Residential/Commercial NFB-301C by Navien is part of our condensing boilers selection.
- Brand: Navien
- Manufacturer Part #: NFB-301C
- UPC: 884954907482
- Category: Condensing Boilers