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Robust Construction: Built to withstand the rigors of commercial applications
Feature Details Product Name Vaillant 4
making it suitable for various shower installations
and compact size
Vaillant VR 91f Zone Control 0020231566 SWHF1WH Robust Construction: Built to withstandVaillant VR 91f Zone Control 0020231566 Overview The Vaillant VR 91f Zone Control 0020231566 is an advanced control unit designed to manage heating zones within a building efficiently. This device allows for precise temperature control in different areas, enhancing comfort and energy efficiency in residential and commercial heating systems. Key Features Multi Zone Control: The VR 91f enables independent control of multiple heating zones, allowing