Many users believe the suction collar reduces motor power. It doesn’t. It reduces floor seal. Understanding this difference explains why thick carpet problems persist even on the lowest setting.
How the Suction Release Collar Works
The collar:
- Opens a small air channel
- Allows controlled air bleed
- Reduces downward sealing pressure
It does NOT:
- Lower motor RPM
- Reduce suction strength inside airflow path
Why It Doesn’t Fix Thick Carpet Jamming
On plush carpet:
Even with air bleed,
The brush housing may still seal too tightly.
This creates:
- Reduced airflow
- Increased brush resistance
- Hard-to-push sensation
When to Use Each Setting
High suction:
- Hardwood
- Tile
- Area rugs
Low suction:
- Medium carpet
- Prevent sticking
Common Mistake
Users expect the suction collar to behave like adjustable motor speed.
It’s airflow control — not power control.
Bottom Line
If your NV360 jams on carpet even on lowest suction, the issue is surface density — not suction control failure.