The Helios KWL-MZB‑F is a dedicated air humidity sensor developed for use with the KWL MultiZoneBox ventilation systems. It ensures optimal indoor climate by enabling humidity-based, demand-driven ventilation control. This sensor helps maintain consistent air quality and comfort by automatically adjusting airflow in response to detected humidity levels. Designed for reliable performance and precise measurement, it is an essential accessory for enhancing the efficiency and automation of Helios MultiZoneBox installations.