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VENTS 125 VKO1k 12

  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Legend
  • Example of installation
  • BIM
  • 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 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.
  • By the timer T (the built-in run-out timer enables the fan operation within 2 to 30 minutes after the fan switching off).
  • The fan is mounted into a matching duct size. Fastening with clamps in case of flexible duct connection.
  • The mounting bracket enables fan installation on both horizontal and vertical flat surfaces (VKO1k 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 VKO1k fan cottage ventilation example   VENTS VKO1 fan flat ventilation example    
Parameter VENTS 125 VKO1k 12
Measurement unit
Voltage 12 V
Frequency 50/60 Hz
Power consumption 16 W
Air capacity 169 m³/h
Current 1.7 A
RPM 2300 min-1
Sound pressure level at 3 m 37 dBА
Weight 0.41 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
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  • Certificates
  • Technical documentation
Certificate GS "VKO1" (pdf 181.37Kb)
"VENTS VKO1 and VKO1k" product description 09-2015 (pdf 3.94Mb)
Declaration of сonformity "PF,PF1,VKO,VKO1 K,+turbo" (pdf 1.69Mb)
Declaration of сonformity "PF,VKO,VKO1 K,+turbo,+press" (pdf 1.59Mb)
Download high quality image "VENTS VKO1 and VKO1k" (psd 1.61Mb)
"VENTS domestic fans" user's manual 01-2022 (V01EN_16-01) (pdf 5Mb)
Download image "VENTS VKO1" for your website (png 463.97Kb)
Download image "VENTS VKO1k" for your website (png 399.55Kb)
Certificate LVD "VKO1" (pdf 161.17Kb)
“Axial fans VENTS VKO, VKO1” user's manual 07-2020 (V214EN-01) (pdf 1.02Mb)
Download image "VENTS VKO1 and VKO1k" for your website (png 332.85Kb)
Download high quality image "VENTS VKO1" (psd 2.24Mb)
Download high quality image "VENTS VKO1k" (psd 1.93Mb)
VENTS 125 VKO1k 12
Parameter Value Measurement unit
Ø D 125 mm
∅d 59 mm
B 185 mm
B1 169 mm
H 125 mm
L 90 mm
L1 28 mm
L2 45 mm
L3 29 mm
Picture symbol   Designation   Modification description
    VKO1k   Fan with a fixing bracket for flat surface mounting.
  VKO1 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.
  VKO1 turbo   High-powered motor.
  VKO1 press   5-blade low-noise impeller with improved aerodynamics for higher fan capacity.
  VKO1 12   Modification with low-voltage motor. 12 V AC power supply.
  VKO1 T   Equipped with a regulated timer with the operating time from 2 to 30 minutes.
Example of installation
Example of installation


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