Tag: Thermostat BT21

ThermoSphere BT21 Programmable Bluetooth Thermostat Sensor compatibility This thermostat is compatible with the most popular floor sensor probes. There is an NTC10k sensor included in the box. You can change the floor sensor type in the BT21 app. 2k 10k (Default) 12.5k 15k 33k If you have an existing floor probe from another thermostat that…