Navien Boiler: Purge air from the heating or DHW piping (Air Purge Mode)
Purge air from the heating or DHW piping (Air Purge Mode) on a Navien boiler: Air purge mode returns to normal by itself after 15 minutes.
Applies to: Navien NHB-H condensing boilers: NHB-150H, NHB-110H, NHB-080H, NHB-055H
How to fix purge air from the heating or dhw piping (air purge mode): step by step
- Hold Back and Menu together for 3 seconds.
- Choose 8. Air Purge Mode.
- Pick SH pipe or DHW pipe air purge.
If the unit shows an error code, look it up: Navien Boiler codes
Models
NHB-055HNHB-080HNHB-110HNHB-150H
Source: Navien NHB-H Installation and Operation Manual, 11.7 Viewing Basic Information p.103-104; 11.13 Advanced Menu p.109-118; 11.10 p.108. 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.