VFVOC -VOC Controller

VariFlow Controls Poster

The Vari-Flow VOC Controller is part of the Vari-Flow Indoor Air Quality family of controllers.  The VFVOC/VFVOC-N are used to modulate fan speed to maintain a preset temperature, relative humidity, carbon dioxide and/or volatile organic compound levels.


  • Surface mounted controller
  • Modulates fan speed based on programmable volatile organic compound, carbon dioxide, humidity and/or temperature set point
  • Optional network communication over an RS-485 network
    • BACnet® or Modbus™ when ordered with network communication



Housing Material IP30


Mounting Surface mount
Sensor Range 0-1000 ppb VOC; 400 to 2000 ppm CO2; 10 to 65% RH; 50ºF to 104ºF (10ºC to 40ºC)
Power 24V
Output Signal (2) 0-10VDC
Dimensions 2.85 x 4.85 x 1.00 (WxHxD) in