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Stork Air roof fans

Stork Air roof and duct fans

Stork Air roof and duct fans are used for central extraction via the roof or duct system. Is the fan noisy, is the motor not running properly or has the extraction decreased? Then overhaul or repair of the motor is often a suitable solution.

Product group Roof and duct fans
  • CDA, DAM and DAP
  • RAD and VDA
  • Motor overhaul often possible
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Known Stork models

  • Stork CDA: roof fan for central extraction.
  • Stork DAM / DAP: roof and duct fans for ventilation systems.
  • Stork RAD: older roof fan series.
  • Stork VDA: fan series for central extraction.

Common problems

  • The roof fan is noisy or humming.
  • The motor no longer runs or runs heavily.
  • The extraction has decreased.
  • The bearings or motor parts are worn.
  • The fan vibrates or resonates via the roof or duct.

Motor overhaul of Stork roof fans

For many Stork Air roof and duct fans, the motor can be overhauled. When mainly bearings, rotating parts or motor components are worn, overhaul can be a cost-effective alternative to complete replacement.

Don't know what type of roof fan you have?

Check the type plate or send us a photo of the fan and motor. We will be happy to help you determine which overhaul or repair is possible.

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Overhaul or replace?

Roof fans are often robustly built. If the housing is still good and mainly the motor or bearings show wear, overhaul is often a sustainable and cost-saving choice.

Choose the right solution

Fan motor overhaul View repairs → Back to Stork Air View all Stork Air information →

Read more about Stork Air

Also view our other information pages about Stork Air ventilation units, HRV units, parts, malfunctions and overhaul.

Stork Air ventilation units Main page of the Stork Air knowledge center Mechanical ventilation units CM, CMA, CME, CML, CMLe, CMF and CMFe HRV units WTW 5 to 12, WHR 90 and WHR 91 Roof and duct fans CDA, DAM, DAP, RAD and VDA Stork Air overhaul Motor overhaul and repair of Stork Air systems Stork Air parts Motors, circuit boards, capacitors and other parts Stork Air is noisy Sound, vibrations and wear Stork Air hums Constant humming or resonance Stork Air no longer runs Motor does not start or does not respond Stork Air does not extract well Low extraction or moisture problems Stork Air bearings worn Grinding or whining motor due to wear

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