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VENTS 125 VKO turbo 12

  • Description
  • Characteristics
  • Downloads
  • Options
  • Dimensions
  • Continuous or periodic exhaust ventilation of bathroom, showers, kitchens and other utility spaces.
  • Exhaust or supply ventilation depending on the fan mounting type in the system.
  • Designed for PVC ducting systems or flexible ducts.
  • Low to medium air flow motion for short distances at low air resistance.
  • Compatible with Ø 100, 125 and 150 mm air ducts.
  • The casing and the impeller are made of high-quality durable ABS plastic, UV resistant.
  • The intellectual impeller design makes the fan efficiency high and the service life long.
  • Protection rating IP X4.
  • Reliable and low-watt electric motor.
  • Designed for continuous operation and requires no maintenance.
  • Equipped with overheating protection.
Manual: Automatic:
  • The fan is controlled by a room light switch. It is not included in the delivery package.
  • Speed control is possible through a thyristor speed controller (see Electrical Accessories). Several fans may connected to the same controller. Speed controllers can not be connected to the fans with TTHTPVTVTH modification.
  • By the electronic control unit BU-1-60 (see Electrical Accessories). The control unit is supplied separately.
  • The fan is mounted into a matching duct size. Fastening with clamps in case of flexible duct connection.
  • This series fans have different inlet and exhaust flange diameters to enable attachment of the decorative grille MV to the appropriate intake flange diameter in case of direct installation into the ventilation shaft or instead of the existing ventilation grille.
  • The fan can be mounted on a horizontal or vertical flat surface by a fixing bracket (VKOk model).
  • Two fans can be installed in series for higher performance.
  • For 12 V low-voltage motor fan connection to 220 V / 50 Hz power mains use the step-down transformer TRF 220/12-25 that is available upon separate order.


    VENTS VKO fan flat ventilation example   VENTS VKOk fan cottage ventilation example  


Parameter Value Measurement unit
Voltage 12 V
Frequency 50/60 Hz
Power consumption 16 W
Air capacity 165 m³/h
Current 1.7 A
RPM 2300 min-1
Sound pressure level at 3 m 37 dBА
Weight 0.46 kg
Spigot size 125 mm
Engine Type 12V / 50-60Hz -
Duct diameter 125 mm
Design axial -
IP Code IP X4 -
Type supply and exhaust -
Mounting Inline -
Files archieve
Modification name Safe voltage (12 V)High-powered fan
VENTS 125 VKO turbo 12
VENTS 125 VKO 12
Parameter Value Measurement unit
Ø D 125 mm
Ø D1 129 mm
L 93 mm
L1 31 mm
Picture symbol   Designation   Modification description
    VKOk   Fan with a fixing bracket for flat surface mounting.
  VKO L   The motor is equipped with ball bearings for long service life (appr. 40  thousand hours) and fan mounting at any angle. The bearings are maintenance-free and contain enough grease for the entire operating period.
  VKO turbo   High-powered motor.
  VKO press   5-blade low-noise impeller with improved aerodynamics for higher fan capacity.
  VKO 12   Modification with low-voltage motor. 12 V AC power supply.
Example of installation
Example of installation


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