Noritz® Tankless Water Heater, Mid Efficiency, Series: NR501, 120000 Btu/hr Heating, Natural Gas Fuel, 1/2 in Gas Connection, Direct Electronic Ignition, 0.5 to 5 gpm Flow Rate, 0.81, Copper Heating Element, Wall-Hung Mounting, 3/4 in Water Connection, 15 to 150 psi Pressure, 115 to 140 deg F, No Ultra Low NOx, Outdoor Indoor/Outdoor, Beige, 20.5 in H x 13.8 in W x 6.7 in D Dimensions, Residential
| Type | : | Mid Efficiency |
| Series | : | NR501 |
| Heating Capacity | : | 120000 Btu/hr |
| Fuel Type | : | Natural Gas |
| Gas Connection | : | 1/2 in |
| Ignition Type | : | Direct Electronic |
| Flow Rate | : | 0.5 to 5 gpm |
| Energy Factor | : | 0.81 |
| Heating Element | : | Copper |
| Mounting Type | : | Wall-Hung |
| Water Connection | : | 3/4 in |
| Pressure Rating | : | 15 to 150 psi |
| Temperature Rating | : | 115 to 140 deg F |
| Ultra Low NOx | : | No |
| Indoor/Outdoor | : | Outdoor |
| Color | : | Beige |
| Dimensions | : | 20.5 in H x 13.8 in W x 6.7 in D |
| Commercial/Residential/Dual | : | Residential |