Insulation/ Vacuum Wistling Noise
- Problem: Added long 10m flexible hose to my shop vac to clean inside ceiling. When connected it created a loud whistling noise.
- Cause: even coronation of flexable hose.
- Solutions:
Buy a smooth hose
- Special pipe with irregular corrugations used in gas lines.
modifying the hose with a heat gun to make corrugations less even.