The Grozone TV12 Day / Night Variable Speed Fan Controller With Idle Speed and Day & Night setting automatically slows down or speeds up centrifugal fans to maintain user selected temperature setpoints (55°F to 95°F).
This controller enables the user to select the minimum fan speed (Idle Speed) between 25% and 60% of full power. The 6-ft temperature probe is precise to 2°F/1°C. It has the capacity to drive 120V induction motor type fans up to 750W, 6,2A.