NPE Water Heater
Suitable for residential and commercial applications, Navien’s NPE water heater range already has a renowned international reputation. It has been the number one high efficiency tankless water heater in North America for ten years – where it remains the most in-demand product of its type – a true indication of its remarkable quality.
- 5-year parts and labour warranty for complete peace of mind
- Dual primary and secondary stainless steel heat exchangers offer optimum efficiency and durability.
- ComfortFlow ™ technology ensures rapid hot water delivery while reducing energy usage
- Easy access to waterway components such as the pump, water adjustment valve, and 2 way-valve for quick removal and simple repairs
- Compatible with Natural Gas (NG) and Propane (LPG)
- Up to 16 units can be cascaded for increased hot water production.
- Freeze protection feature maintains normal operation during freezing temperatures down to -40 °C.
Technical Data
| NPE-24AWE | NPE-24SWE | NPE-32AWE | NPE-32SWE | ||
| DHW input range | kW | 39.6 / 4.0 | 39.6 / 4.0 | 52.8 / 5.2 | 52.8 / 5.2 |
| DHW output range | kW | 42.3 / 4.4 | 42.3 / 4.4 | 56.6 / 5.8 | 56.6 / 5.8 |
| Efficiency at maximum load | % | 106.6 | 106.6 | 107.2 | 107.2 |
| Efficiency at minimum load | % | 111.0 | 111.0 | 111.0 | 111.0 |
| DHW Flow Rate at 25°C temp. rise | l/min | 24.0 | 24.0 | 32.0 | 32.0 |
| DHW Flow Rate at 40°C temp. rise | l/min | 15.0 | 15.0 | 20.0 | 20.0 |
| Category | II2H3P | ||||
| Type | Instantaneous hot water production | ||||
| Appliance protection rating | IP X5D | ||||
| Min. DHW Working Pressure | bar | 1.0 | |||
| Min. DHW Working Flow | l/min | 1.8 | |||
| Max. DHW Working Pressure | bar | 10.0 | |||
| Adjustable DHW Temperature Range* | oC | 36-85 | |||
| Dimensions (Width x Depth x Height) | mm | 440 x 306 x 695 | 440 x 306 x 695 | 440 x 336 x 695 | 440 x 336 x 695 |
| Weight | kg | 34 | 30 | 37 | 34 |
