Navien Tankless Water Heater: Reset one parameter to its default
Reset one parameter to its default on a Navien tankless water heater: Returns a single installer parameter to its factory value without touching the others.
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 reset one parameter to its default: step by step
- Open the parameter in edit mode (Menu + Back 3 s > 1. Installer Menu > 2. Parameter Settings).
- Hold Back for 5 seconds while editing.
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.