The sewer vent is 150mm wind driven ventilator that incorporates stainless steel bearings aluminium shaft to withstand the impact of noxious air streams from sewers pits and drains. It is a dual purpose ventilator which can be used to cool a roof space on hot days via its new temperature sensing inverter speed control technology or it can be set for constant ventilation rates to help reduce condensation build up in the roof space. Ecofan has three different fan speed levels to choose from and operates at the performance of 6 wind driven vents.
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