Need Classroom Unit Ventilator Replacement Parts?

Thermosystems has the largest inventory of AAF/Herman Nelson classroom unit ventilator parts in North America. Here you’ll find the OEM exact replacement parts that you need, including:

  • Actuators
  • Bearings
  • Control Boards
  • Couplings
  • Motors
  • Shafts
  • Transformers
  • Wheels
  • And More…
For immediate assistance call:  630-693-0920

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