Navien NPE-240S2-NG NPE-S2 Series 11.2 GPM Gas Tankless Water Heater - 199,900 BTU/h, 120V, Low NOx, 0.96 Energy Factor
Navien NPE-240S2-NG NPE-S2 Series 11.2 GPM Gas Tankless Water Heater - 199,900 BTU/h, 120V, Low NOx, 0.96 Energy Factor
| Amperage Rating | : | 2~4 A |
| BTU Heating Input Rating (Custom) | : | 204,000 BTU/h |
| BTU Heating Input Rating | : | 200,000 BTU/h |
| Condensing | : | Yes |
| Depth | : | 13.2 in |
| ENERGY STAR Certified | : | Yes |
| Energy Factor | : | 0.96 |
| Flow Rate | : | 11.2 GPM |
| Fuel Type | : | Natural Gas |
| Gas Connection Size | : | 3/4 in |
| Height | : | 27.4 in |
| Installation / Mounting Type | : | Wall Mount |
| Low NOx | : | Low NOx |
| Maximum Working Pressure | : | 150 PSI |
| Minimum Working Pressure | : | 15 PSI |
| Model Number | : | NPE-S2 |
| Packaged Depth | : | 33.27 in |
| Packaged Height | : | 14.96 in |
| Packaged Width | : | 20.67 in |
| Phase | : | 1 ph |
| Product Family | : | NPE-S2 Series |
| Product Weight | : | 73 lbs |
| Shipping Weight | : | 84 lbs |
| Vent Size | : | 2~3 in |
| Vent Type | : | Direct Vent |
| Voltage Rating | : | 120 V |
| Water Connection Size | : | 3/4 in |
| Width | : | 17.3 in |
The Navien NPE-S2 Series is a high-efficiency, condensing tankless water heater designed for reliable performance in both residential and commercial applications. It achieves a 0.96 Uniform Energy Factor, delivering significant energy savings while providing a continuous supply of hot water. The unit's core is built around dual stainless steel heat exchangers, ensuring long-lasting service and optimal heat transfer.Engineered for versatility, this ENERGY STAR® certified water heater supports indoor or outdoor wall-hung installation. It offers simplified venting options and compatibility with smaller gas lines, making it an ideal choice for a wide range of projects. The unit is also equipped with an advanced control panel that simplifies setup and provides clear operational status updates.