Boiler Management Units

Innovative boiler control systems

Siemens proposes a complete portfolio of Boiler Management Units designed for gas fired condensing boilers equipped with premix burners.
Capacity range from less than 10 kW up to 2 MW is covered. Beside the applications based on proven pneumatic gas-air ratio solutions, the more innovative Sitherm Pro application which improves the entire combustion process is available.

Thanks to specialization and decades of experience in this field, our products and systems offer optimum solutions for all market segments ranging from single- and multi-family houses (residential buildings) to commercial buildings.

The different versions of Boiler Management Units with their peripherals, easy to understand operating units, room units and extension modules for specific applicationns offer great flexibility  and satisfy all requirements


  • Intelligent security solutions and services

    Boiler Management Unit LMS14

    The LMS is an integral component of the Albatros2 range of products. This means that identical peripheral devices can be used, and uniform and consistent parameter settings are made possible throughout the product range.

  • Intelligent security solutions and services

    Boiler Management Unit LMU84

    The LMU84 is a cost optimized Boiler Management Unit with integrated HMI designed for condensing boilers up to 70 kW

  • Intelligent security solutions and services

    Boiler Management Unit LMS15 - Sitherm Pro

    The LMS15 sets new standards based on Sitherm Pro combustion optimization in combination with gas valves of the VGE line.