Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" ventilation Dry Contact Output: 30VDC/250VAC

Dry Contact Output:                     30VDC/250VAC

1 — Thermometer and Hygrometer

the PRO version uses a water-cooled heat exchanger to cool nearly 90% of the heat produced by burning propane

only requiring a small dose with each application

Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" ventilation Dry Contact Output: 30VDC/250VACA duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops. Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application. Unibody die cast construction with no welded seams; reduces vibration while ensuring smoother airflow. AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications. Duct size: 4