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Grozone TV1 Day/Night Fan Speed Controller


Automatic variable fan speed controller

    • Day/night thermostat
    • Built for centrifugal fans
    • 55°F – 95°F (13°C – 35°C)
    • Speed varies from min. to max. within 6°F (3.3°C) around setpoint
    • Up to 750 W – 6 A – 120 V

Day / Night Fan speed control TV1

Automatically slows down or speeds up centrifugal fans to respect user selected temperature day and night setpoints.

  • Enables a much tighter and precise temperature curve. When ON/OFF controls usually yields a variation over 5°F / 3°C, TV1 will yield a variation below 2°F / 1°C.
  • 6 foot cord with temperature sensor precise to 2°F / 1°C.
  • Can drive single phase 120 Vac induction motor type fans up to 750 Watts.
  • Any forced ventilation rooms should be equipped with this type of control to promote faster and more vigorous growth.
  • ETL Listed


  • One plug-in type module.
  • One user guide.
  • One screw kit



grozone controls logoGrozone Control designs and manufactures quality climate controllers for your indoor garden and greenhouse. From precise Co2, RH and Temperature controllers, to cycle timers, tempstats or CO2 Generators, we have all you need to help you control the climate inside your indoor garden or greenhouse.Expect high quality products with the best warranty in the industry. Lowest return rate of the business. Period.
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Additional information

Weight0.289 lbs
Dimensions5.75 × 3.25 × 5.5 in


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