Navien Boiler: Set the altitude with DIP switch 2
Set the altitude with DIP switch 2 on a Navien boiler: DIP switch 2 #2 and #3 select the altitude band.
Applies to: Navien NHB-H condensing boilers: NHB-150H, NHB-110H, NHB-080H, NHB-055H
How to fix set the altitude with dip switch 2: step by step
- 0-1,999 ft: 2 OFF, 3 OFF.
- 2,000-5,399 ft: 2 ON, 3 OFF.
- 5,400-7,699 ft: 2 OFF, 3 ON.
- 7,700-10,100 ft: 2 ON, 3 ON.
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, 6.2 DIP Switch 2, p.68-69; 3.5 Air Handler Interface p.28; 10 Installation Checklist p.96. 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.