The Helios KWL-MZB-ZR is a central control module designed for comprehensive configuration and management of all connected KWL MultiZoneBoxes. Capable of networking up to 256 boxes, this unit allows efficient system-wide control and adjustment. It features a built-in fan optimiser to enhance ventilation performance and energy efficiency. Compatible with the KWL 45 SNH power supply (Item No. 03001), this controller ensures a scalable and intelligent ventilation solution for larger installations.