Navien Tankless Water Heater: Set the altitude setting
Set the altitude setting on a Navien tankless water heater: Altitude is a numbered installer parameter on the NPE-2.
Applies to: Navien NPE-A2 (built-in recirculation) and NPE-S2 condensing tankless water heaters: NPE-150S2, NPE-180A2/S2, NPE-210A2/S2, NPE-240A2/S2
How to fix set the altitude setting: step by step
- Hold Menu + Back 3 s > 1. Installer Menu (password 1234) > 2. Parameter Settings.
- Open 14. Altitude Setting and pick 1 (0-2,000 ft), 2 (2,000-5,400 ft), 3 (5,400-7,700 ft) or 4 (7,700-10,100 ft). Default is 1.
If the unit shows an error code, look it up: Navien Tankless Water Heater codes
Models
NPE-150S2NPE-180A2NPE-180S2NPE-210A2NPE-210S2NPE-240A2NPE-240S2
Source: Navien NPE-A2/S2 Installation Manual, 7.5.1.2 Setting the Operation Parameters, p.99-100. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.