Rhino EC Fan Dimmer – Replacement Speed Controller for Rhino Ultra & Ultra Silent EC Fans

The Rhino EC Fan Dimmer is the standard speed controller supplied with Rhino Ultra and Ultra Silent EC fans. Available here as a standalone replacement unit, it provides simple variable speed regulation for compatible Rhino EC fans — allowing you to dial in the exact airflow level required without the need for a full thermostatic controller.

Please note: This listing is for the dimmer box only. No cables are included — cables are sold separately.

Key Features

• Standard replacement EC speed controller for Rhino Ultra and Ultra Silent fans
• Simple variable speed regulation for compatible Rhino EC fans
• Compact and lightweight — easy to position in the grow room
• Dimmer box only — no cables included

Specifications

• SKU: RH3
• Weight: 0.3kg
• Compatible with: Rhino Ultra and Rhino Ultra Silent EC fans
• Includes: Dimmer box only (cables sold separately)
• Brand: Rhino