The S-series roof fans are designed to be installed in the ventilation shaft, onto a silencer or in or other horizontal surface. The S-roof fans are used, for example, in blocks of flats and terraced houses, when flat-specific ventilation is required. The S-series roof fan can also be used for modifying an old natural ventilation system into a mechanical one during renovation. EC110S FLOW Roof Fan 300 X 300: Roof fan for radon ventilation or as a fan for an eco-toilet. The radon fan is not suitable for indoor air ventilation. The product is equipped with a direct current (EC) motor. Can be controlled with, for example, the EC Motor Controller, EC Potentiometer, and home automation systems via a 0–10 V signal. The fan is equipped with an external service switch. Installed in the ventilation duct on top of a chimney or silencer. When installed on a horizontal flat surface, use the installation kit included in the package. Dimensions: Duct size Ø 110 mm. Installation kit area 300 x 300 mm, and the installation surface must be at least the same size. Can only be retrofitted onto the end of a pipe with an external diameter of 225 mm (not suitable for retrofitting onto a Ø 160 mm radon ventilation pipe). EC125S FLOW Roof Fan 300 X 300: Roof fan for mechanical exhaust ventilation or as a fan for a cooker hood. The product is equipped with a direct current (EC) motor. Can be controlled with, for example, the EC Motor Controller, EC Ideal Wireless, or home automation systems via a 0–10 V signal. The fan is equipped with an external service switch. Installed directly onto the ventilation duct above a chimney or silencer. When installed on a horizontal flat surface, the installation kit included in the package is used. Dimensions: Duct size Ø 125 mm; installation set 300 x 300 mm, installation area must be at least the same size. EC160S FLOW Roof Fan 300 X 300: Roof fan for mechanical exhaust ventilation or as a fan for a cooker hood. The product is equipped with a direct current (EC) motor. Can be controlled with, for example, the EC Motor Controller, EC Ideal Wireless, or home automation systems via a 0–10 V signal. The fan is equipped with an external service switch. Installed directly onto the ventilation duct above a chimney or silencer. When installed on a horizontal flat surface, the installation kit included in the package is used. Dimensions: Duct size Ø 160 mm; installation set 300 x 300 mm, installation area must be at least the same size. EC110S: Product description: Energy-efficient roof fan for radon ventilation. The fan is equipped with a potentiometer, so no separate controller is needed. The speed is preset (3 V). Suitable for retrofitting on a pipe with an external diameter of 160 mm. Also suitable for use as a fan for an eco-toilet. The product has a direct current (EC) motor. The radon fan is not suitable for indoor air ventilation due to fire regulations. Installed onto a ventilation duct, chimney, or silencer. When installing on a horizontal flat surface, use the 250 x 250 mm installation kit included in the package. Dimensions: Duct size Ø 110 mm, installation set 250 x 250 mm, installation area must be at least the same size. E220S/Ø160 Roof Fan 300 x 300: Roof fan with an AC motor, installed onto a ventilation duct, chimney, or silencer. Controlled with, for example, the VILPE Controller AC. When installing on a horizontal flat surface, the S installation kit included in the package is required. Dimensions: Duct size Ø 160 mm; installation set 300 x 300 mm, installation area must be at least the same size. Further information can be found at: https://www.vilpe.com/