G.A.S EC1 Fan Controller – Manual Speed Control for EC Fans

The G.A.S EC1 Fan Controller is a simple, plug-and-play speed controller designed specifically for EC (electronically commutated) fans. It provides precise, quiet control of fan speed without buzzing, humming, or vibration — ideal for grow room ventilation setups where noise and stability matter.

Designed by Global Air Supplies, the EC1 lets you manually adjust airflow in extraction or intake systems with ease, maintaining a stable grow room climate while keeping noise to a minimum.

Key Features

• Quiet fan speed control — no electrical noise or interference
• Designed specifically for EC fans with active control ports
• Simple plug-and-play operation — no wiring required
• Solid, compact design with easy rotary dial adjustment
• Compatible with Systemair, Revolution, HyperFan, and other major EC fan brands
• Maintains consistent negative pressure and airflow

How to Use

• Connect the EC1 directly to your EC fan’s control port
• Use the rotary dial to increase or decrease fan speed
• Suitable for both intake and extraction systems
• Mountable for easy access and adjustment

Specifications

• Type: Manual EC fan controller
• Compatibility: All EC fans with RJ9 or Active Cables
• Control signal: 0–10V
• Input voltage: Passive — powered by the fan
• Includes: 5-metre control cable