Stelpro SMT402AD
| Model | SMT402AD |
| Vendor | Stelpro |
| Description | Maestro, line-voltage thermostat |
| Exposes | local_temperature, keypad_lockout, humidity, climate (occupied_heating_setpoint, local_temperature, system_mode, running_state), linkquality |
| Picture | ![]() |
Options
thermostat_unit: Controls the temperature unit of the thermostat (default celsius). The value must be one ofcelsius,fahrenheitlegacy: Set to false to disable the legacy integration (highly recommended), will change structure of the published payload (default true). The value must betrueorfalsehumidity_precision: Number of digits after decimal point for humidity, takes into effect on next report of device. The value must be a number with a minimum value of0and with a with a maximum value of3humidity_calibration: Calibrates the humidity value (absolute offset), takes into effect on next report of device. The value must be a number.
Exposes
Local_temperature (numeric)
Current temperature measured on the device. Value can be found in the published state on the local_temperature property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"local_temperature": ""}. It's not possible to write (/set) this value. The unit of this value is °C.
Keypad_lockout (enum)
Enables/disables physical input on the device. Value can be found in the published state on the keypad_lockout property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"keypad_lockout": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"keypad_lockout": NEW_VALUE}. The possible values are: unlock, lock1, lock2.
Humidity (numeric)
Measured relative humidity. Value can be found in the published state on the humidity property. It's not possible to read (/get) or write (/set) this value. The unit of this value is %.
Climate
This climate device supports the following features: occupied_heating_setpoint, local_temperature, system_mode, running_state.
occupied_heating_setpoint: Temperature setpoint. To control publish a message to topiczigbee2mqtt/FRIENDLY_NAME/setwith payload{"occupied_heating_setpoint": VALUE}whereVALUEis the °C between5and30. To read send a message tozigbee2mqtt/FRIENDLY_NAME/getwith payload{"occupied_heating_setpoint": ""}.local_temperature: Current temperature measured on the device (in °C). To read send a message tozigbee2mqtt/FRIENDLY_NAME/getwith payload{"local_temperature": ""}.system_mode: Mode of this device. To control publish a message to topiczigbee2mqtt/FRIENDLY_NAME/setwith payload{"system_mode": VALUE}whereVALUEis one of:off,auto,heat. To read send a message tozigbee2mqtt/FRIENDLY_NAME/getwith payload{"system_mode": ""}.running_state: The current running state. Possible values are:idle,heat. To read send a message tozigbee2mqtt/FRIENDLY_NAME/getwith payload{"running_state": ""}.
Linkquality (numeric)
Link quality (signal strength). Value can be found in the published state on the linkquality property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.

