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    Video: Housing opening of the AP 420 operating device

    10.5.2016

    The AP 420 operating unit with integrated control provides convenient operation for the end customer and service technicians. The attractive housing of the AP420 is suitable for surface and flush-mounting. The high-resolution, graphics-capable 4.3” color display is used, on the one hand, for visualization and operation and, on the other hand, for the control and regulation of the entire heating system.