01 NPE-A2 / NPE-S2 installation manual
02 Document details
| Brand | Navien |
| Model | NPE-A2 / NPE-S2 |
| Document type | Installation manual |
| Category | Heating, Cooling & Air |
| Pages | 145 |
| File size | 29.1 MB |
| Language | English |
| Title in the PDF | NPE-A2_S2_Installation_Manual_EN_260127_LO |
| Original source | navieninc.com |
03 Check you have the right manual
Thermostats show the model on the back of the faceplate or in the settings menu. Window units put the label on the side of the cabinet. Purifiers and dehumidifiers put it on the base or back.
Compare the model number on your product's label with the model list on the first pages of the PDF. Letters at the end often only mean color or region.
04 Common jobs
Wiring diagrams and terminal labels
Thermostats, doorbells, chargers
MaintenanceMaintenance schedules and cleaning steps
Filters, descaling, cleaning schedules
Error codesAppliance and device error codes, explained
What the letters and numbers mean
Is this the official Navien NPE-A2 and NPE-S2 Tankless Water Heaters manual?
Yes. This is the installation manual published by Navien, originally hosted at navieninc.com. We host a copy so you can read, download and print it here.
Can I download the NPE-A2 / NPE-S2 manual as a PDF?
Yes. Use the Download PDF button in the viewer or the sidebar. The file is 29.1 MB and has 145 pages.
Where is the model number on my heating, cooling & air?
Thermostats show the model on the back of the faceplate or in the settings menu. Window units put the label on the side of the cabinet. Purifiers and dehumidifiers put it on the base or back.