This Rhino thermostatic fan controller will scan the room/environment every 20 seconds to maintain optimum fan speed whilst retaining negative pressure. Fan speed is adjusted in steps to achieve the set temperature without shocking the plants. Once desired temperature is obtained the controller adjusts fan speed to the set minimum fan speed
No buzzing or humming - silent running of both intake and extraction fans. Solid steel casing and wall mountable, 5 meter thermostatic probe.
2 amp version is suitable for most fans up to 250mm
8 amp version is suitable for most fans of any size