Two- or three-speed fans suitable for long ducts with higher pressure drop or for direct through-wall ventilation. The fans can be used for ventilation in residential construction, in conjunction with a hygrostat also for ventilation of wet areas.
Ventilators with air flow up to 280 m3/h for connection to 100 mm diameter circular pipe.
The fans are made of impact-resistant plastic and are equipped with a 230 V/50 Hz single-phase motor with thermal protection. The fans are class II insulated, IP44 rated and suitable for operation with air temperatures up to 40°C.
There is a non-return damper in the fan discharge.
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