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ThermoSphere BT21 Bluetooth Thermostat

£121.13 (inc VAT)

SKU: THE015 Categories: ,


The ThermoSphere BT21 Bluetooth Thermostat is a programmable thermostat for electric underfloor heating that can be connected to on your phone via bluetooth.

It can be operated as a simple manual thermostat via the dial to set and change your comfort temperature and your energy saving Eco temperature. The ThermoSphere BT21 Bluetooth Thermostat features a built in ambient temperature sensor, external floor sensor and optional wireless sensors. Works with all of the most popular sensor types.

The ThermoSphere BT21 Bluetooth Thermostat can be set up in less than 60 seconds using the ThermoSphere BT21 Bluetooth app on your phone. All settings and scheduling is done on the app, and easy presets save you time when setting up multiple BT21 thermostats. Set up one thermostat and simply copy the preset to the rest. You can download the app via the links below:

The ThermoSphere BT21 Bluetooth Thermostat is fully programmable and allows you to program when your electric underfloor heating turns on and off for every day of the week. This automatic schedule for your underfloor heating maximises efficiency and optimises your energy usage.

The ThermoSphere BT21 Bluetooth Thermostat comes with two external floor sensor probes to install with your electric underfloor heating. The two probes are installed at the same time, but leave one disconnected – so that if the first probe should fail there is a backup that can easily be wired in.

Technical Details:
Supply voltage: 230V 50Hz
Maximum load: 16A (3600W)
Ambient Temperature: 5°C – 35°C
Sensor rating: NTC 10kΩ @ 25°C. Also works with NTC 2k, 12.5k, 15k, 33k
Warranty: 3 years
Protection rating: IP21
Dimensions: 86 x 86 x 10mm
Mounting: 25mm back box

User Guide Product Datasheet

Click here to view this product on the Manufacturers website.

Additional information

Weight 0.5 kg


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