HV 250/4 R – Helios – HelioVent Axial Wall Fan Flush-mounted room fan for installation in walls, shafts and thin panels. Can be used for ventilation of medium to large rooms. Plastic housing with an elegant, room-side facade in alpine white. Facade to cover the suction opening with slats pointing upwards. Removable for cleaning in a water bath. Powerful high-performance impeller made of plastic with 7 blades, for high pressure and volume outputs. Single-phase AC capacitor motor, closed design, maintenance-free, with thermal contacts built into the winding, speed-controllable by voltage reduction, sealed, low-noise ball bearings with long-term lubrication, reversible. Product PDF: HV 250 4 R
