Manual Speed Control

Manual Speed Controls

Manually adjust exhaust or circulation fan speed with Osborne’s manual speed control (MSCS).

how it works

Osborne’s manual speed control (MSCS) is a single-fan control for circulation or exhaust fans that allows users to perfectly match building ventilation requirements. With simple, single knob adjustment, power to fan motors can be controlled precisely. Easily adjust the speed of exhaust fans or circulation fan rates while monitoring room temperature until optimum conditions and ventilation quality is achieved.

Features & Benefits
  • Adjust single fan rates of exhaust or circulation fans with easy control knob
  • Watertight, corrosion resistant enclosure
  • 120 or 240 volt models available