Silent 5-step fan speed control: Ensures quiet operation and precise airflow management for a quieter grow environment
Transformer-based solid state relay technology: Eliminates audible clicking and humming for smooth, reliable performance
Plug-and-play installation: No wiring required, simply plug in your fan and temperature sensor for immediate use
Professional-grade build quality: CE certified, durable construction for long-term, safe operation
4 amp capacity: Supports larger extraction fans up to 4 amps for versatile grow room setups
Summarized by Shop
G.A.S 4 AMP Pro Step Controller – Simple, Silent Fan Speed Control
The G.A.S 4 AMP Pro Step Controller gives you easy, reliable control over your extraction fan speed — helping you dial in your environment and keep noise levels down, without complex settings or noisy fans.
If you just want to manually adjust fan speed and maintain consist
Control Type
Manual 5-step AC fan speed control
Fan Current Rating
4 amps
Cables
4 m wired temperature sensor, 2 x 1.8 m wired mains cables
Noise
No audible clicking between steps or fan humming at low speed