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BT21
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BT21
iPhone
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Customise your 7 day heating schedule faster than ever before with the BT21 app. Connect via bluetooth and control all of your thermostat settings quickly and easily. 

Once you've set up one thermostat, copy and paste all of your setting to another thermostat with easy presets.

- Quick and easy heating schedule.
- Copy presets to multiple thermostats.
- View temperature data for the last 7 hours.
- View %heating time for the last 7 days.
- Send remote technical reports.
- Manage temperature limits and calibration.
- Set and manage all thermostat settings.
- Connect to a wireless sensor (sold separately).
- Lockdown mode to prevent tampering.
- Hide unwanted thermostats.
- Switch between heating, snow melting and power limit modes.
- Switch between air, floor and remote sensors.
- Access to online user guides and videos.
  • App History
  • New App: Free
    May 5 2021