BSB-Lan

The BSB-Lan integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] integrates BSBLan devices into Home Assistant.

BSBLan is a device that is made by Frederik Holst and with the help of many other contributors. The board v3 is designed for an Arduino Due with an Ethernet-Shield for web-based controlling of heating systems such as Elco Thision, Brötje and similar systems. Also, available is an ESP32 version of the board.

It can interface with the heating system over Boiler-System-Bus, Local Process Bus and PPS (Punkt-zu-Punkt Schnittstelle) For more information of which system it supports, take a look at their documentation.

Configuration

To add the BSB-Lan device to your Home Assistant instance, use this My button:

BSB-Lan can be auto-discovered by Home Assistant. If an instance was found, it will be shown as Discovered. You can then set it up right away.

For authentication HTTP authentication using a username and password, or using a passkey is supported. Use either one.

Available sensors depending on your heating system

• inside temperature
• outside temperature

Available platforms depending on your system

• climate
• water heater

For more documentation of the BSBLan device, check the manual.

To see a more detailed listing of the reported systems which are successfully used with BSB-LAN, please follow the corresponding link:

Supported heating systems

The integration is tested with the stable firmware version 5.0.16-20250525002819. A newer firmware version may not work because the API could have changed. For autodiscovery, use the latest release. release 5.0