Make-Up Fresh Air System (MAF, MAS)
YORK® MA Series centrifugal fans replace foul or contaminated air that is removed by commercial or industrial exhaust fans.
- Roof-mount filtered supply
- Direct drive or belt drive units available
- Side intake (MAS model)
Lek-Trol™ speed controllers allow adjustment in speed to a maximum of 50% reduction, resulting in a cost-effective means of system balancing.
Galvanized housing provides rigidity and weather protection. Housing cover is pitched to ensure complete rain run-off.
Clear access to all components is available via a removable, full-size, insulated cover and heavy-duty, quick-release latches.