DeWalt Float Valve Activation / Liquid Level Protection

Vacuum shuts off quickly when picking up liquids; restarts after a short time

Advertisements

Possible Causes

Tank full of liquid, Float valve rising and blocking airflow, Incorrect filter causing premature blockage

How to Fix / Troubleshooting

Safety: Remove the battery before opening the tank. Avoid spilling collected liquids.

  • Check liquid level: Open the tank and verify if it is full or near full. Empty into an appropriate drain or container.
  • Inspect float: Ensure the float moves freely and is not waterlogged or stuck.
  • Use correct filter: Install the recommended wet-use filter to prevent rapid clogging.
  • Do not bypass float: Never remove or defeat the float valve; it protects the motor from liquid ingestion.
Advertisements

Repair Difficulty

Very Easy 1/5

Required Part

Float Valve Assembly
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements