Description Enhance Your ESYBOX Max with the DAB ESY I/O Electronic Expansion Module Unlock new possibilities for your ESYBOX Max with the ESY I/O Electronic Expansion Module. This advanced module enables seamless integration with a variety of external input/output devices, including float switches, pressure switches, and remote alarms. Key Features: Versatile Connectivity: Connect effortlessly with external devices to enhance functionality and control. BMS Compatibility: Seamlessly integrate with Building Management Systems (BMS), allowing for centralized monitoring and management.