Vario Circulation Fans

The Vario sliding fan module makes it possible to variably adjust the volume vs. throw output. Vario is designed specifically for 100% of fan output available as recirculated air during operation. Used with the BI28 Ceiling Inlet and Professional 2900 Sidewall Inlet to add fresh air and maintain the correct amount of fresh air and circulated air to keep your building’s climate stable.

• Manual
• Manual