NaviLink is Navien's Wi-Fi remote control app. Every current Navien NPE-A2, NPE-S2, NCB, NFC, and NHB ships with the NaviLink Wi-Fi module standard. The app handles temperature setting, recirculation scheduling, error code alerts, and operating history.
Setup
- Download NaviLink (iOS App Store / Google Play)
- Create a Navien account
- On the controller, navigate to Settings → Wi-Fi → Pair Mode
- In the app, tap Add Unit; the module broadcasts a temporary SSID
- Connect your phone to that SSID; enter home 2.4 GHz Wi-Fi credentials
- Wait 60 seconds for the unit to join your network and register with Navien servers
Critical: NaviLink only supports 2.4 GHz Wi-Fi. Disable 5 GHz on combined SSIDs during pairing if needed.
Features
- Temperature control — set output temp from 98°F to 140°F (residential cap) remotely
- Recirculation scheduling — for NPE-A2 with built-in pump. Time windows or HotButton on-demand
- Error code alerts — push notifications when the unit throws a code
- Operating history — gas usage, runtime, peak demand graphs
- Vacation mode — lowers temp and pauses recirc during away periods
- Multi-unit cascade — for commercial multi-unit installs
- Firmware updates — pushed via app to control board and Wi-Fi module
Smart home integrations
- Apple HomeKit (since 2023)
- Google Home (since 2023)
- Amazon Alexa — temperature query and basic control
NaviLink quality — first-gen vs current
NaviLink on first-generation NPE-A had a rougher reputation — frequent drops, slow status updates, occasional crashes. The current NaviLink generation (NPE-A2 era) has been significantly improved. App store ratings have moved from 3-star territory to 4+. Still slightly behind Rinnai ControlR in polish, but functionally comparable.
Common Wi-Fi connection issues
- Module won't connect: 2.4 vs 5 GHz mismatch (most common). Or router MAC filtering
- "Disconnected" status: Wi-Fi signal too weak — mesh node or extender
- App shows wrong status: reboot the Wi-Fi module from the controller (Settings → Wi-Fi → Restart)
- Repeated drops: router DHCP exhaustion — assign static IP to the Navien's MAC address
- App login issues: account verification email occasionally goes to spam
Models with NaviLink built-in
- All NPE-A2 / S2 (current generation)
- All NCB / NCB-E (current generation)
- NFC fire-tube combi
- NHB-55, NHB-80, NHB-110, NHB-150 (current production)
Legacy NPE-A / NPE-S — module is optional via aftermarket kit (Navien part number).
Bottom line
NaviLink does what you need it to do. For temperature monitoring, recirculation scheduling, and error-code alerts, it works well. It's not as polished as Rinnai ControlR but the gap is smaller than two years ago.