Rhino 2EC + RH Fan Controller
Updated 19 Oct 2026
Rhino 2EC + RH Fan Controller is an environmental controller for Rhino EC intake and exhaust fans with separate day and night settings. A built-in digital sensor reads temperature, humidity and light, and the fan balancer holds negative pressure to within 1% of fan speed.
Description
Environmental controller for two Rhino EC fans (intake and exhaust). Built-in digital temperature, humidity and light sensor; separate day and night settings; adjustable minimum and maximum speeds; fan balancer accurate to 1% of fan speed for negative pressure. Connects via RJ45 ports; a 0.3 m RJ45 adaptor is supplied.
Rhino Controllers
All products in the Rhino Controllers range.
Rhino 1EC Fan Controller
Rhino 1EC Fan Controller is an affordable analogue thermostatic controller for Rhino EC exhaust fans. Three dials set the target temperature (20-30 °C) and the minimum and maximum fan speed, using a temperature probe; it is powered by the fan.
Rhino 2EC Fan Controller
Rhino 2EC Fan Controller is a compact thermostatic controller for Rhino EC intake and exhaust fans with a built-in fan balancer. Dials set minimum and maximum speed plus an offset that keeps negative pressure in the grow room.
Rhino EC Dimmer
Rhino EC Dimmer is a simple, low-cost dial controller that sets the speed of a Rhino EC fan anywhere from 0 to 100%. It has a durable plastic body with a printed dial scale, a side input port for the fan and two mounting brackets.
Rhino EC Fan Controller
Rhino EC Fan Controller is a digital controller with an LCD touch screen for Rhino EC fans. It runs up to four fans in automatic thermostatic mode via a temperature probe or in manual mode, adjusting speed in 20% steps from 0 to 100%.
More from Rhino
Other products by Rhino.
Rhino 0.3 m 3-Pin Adaptor
Rhino 0.3 m 3-Pin Adaptor is a 30 cm cable that connects the 3-pin plug of a Rhino EC fan to the 3.5 mm jack of a Rhino fan controller. It is supplied with all Rhino EC fans and sold separately as a spare or replacement.
Rhino 0.3 m RJ45 Adaptor
Rhino 0.3 m RJ45 Adaptor converts the RJ45 port of the Rhino 2EC + RH Fan Controller to the 3.5 mm jack used by Rhino EC fans. It is supplied with the 2EC + RH controller and sold separately as a spare or replacement.
Rhino 5 m Control Cable
Rhino 5 m Control Cable has 3.5 mm jacks at both ends and connects Rhino 1EC and 2EC controllers to Rhino EC fans up to 5 metres away, or the 2EC + RH via the RJ45 adaptor. It is supplied with all Rhino fans and sold as a spare.
Rhino Full Speed Hub
Rhino Full Speed Hub is a plug that screws into the controller port of Rhino Ultra Silenced and Non-Silenced EC fans so that the fan runs constantly at full speed, equivalent to a 10 V signal, when no fan controller is connected.
Spotted an error, missing data, or have a comment? Send feedback to Rhino.
Message Rhino
Your message is delivered to the brand team.