Milwaukee M18 Brushless Stick Water Pump - M18BLSWP

Featuring the innovative HYDROPASS filter system, the Milwaukee M18 brushless stick water pump pre...

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alanwadkinstoolstore.co.ukMilwaukee M18BLSWP-0 18v Cordless Hydropass Brushless Stick Water Pump
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Product Information

Full details

The Milwaukee M18 Brushless Stick Water Pump (M18BLSWP) is designed for contractors and maintenance professionals who need to clear standing water from trenches, manholes, or flooded sites quickly and reliably. Its key advantage is the HYDROPASS filter system, which allows for consistent flow even in debris-heavy environments, though users should note that the device requires an M18 battery, which is not included in the base unit. This powerful tool provides high-volume water removal with an auto-shutoff feature to prevent motor damage during dry running.

All features

Model Part NumberM18BLSWP
BrandMilwaukee

Extended Product Information

FAQs

Does the pump come with a battery?

No, the M18BLSWP is a bare tool, and the M18 battery and charger must be purchased separately.

Can this pump handle mud and silt?

Yes, the HYDROPASS filter system is specifically designed to prevent blockage from debris, mud, and silt.

How deep can I submerge this pump?

The pump is designed for a maximum submergence depth of 107cm.

What happens if the pump runs out of water?

The pump features an automatic run-dry shut-off system that detects when the water is gone and stops the motor to prevent damage.

Is the battery safe from water?

The battery is housed in an IPX4-rated compartment, which provides protection against water ingress during normal operation.

What size hose should I use?

The pump has a 1 1/4" threaded outlet, so a hose of that size is recommended for maximum flow efficiency.

Troubleshooting

Pump fails to start

Check that the M18 battery is fully charged and properly seated in the housing, ensuring the battery compartment door is locked closed.

Reduced water flow

Inspect the HYDROPASS filter at the base for large debris and check the hose for any kinks or blockages.

Pump shuts off prematurely

Verify if the water level has dropped below the minimum operating depth, triggering the auto-shutoff feature.

Pros and Cons

Pros

  • Prevents inlet blockage via HYDROPASS technology
  • High-speed water transfer of 5,670 litres/hour
  • Durable IPX4 battery protection
  • Automatic dry-run protection extends tool lifespan
  • Compatible with the full Milwaukee M18 battery ecosystem

Cons

  • Battery and charger sold separately
  • Heavier than manual hand-pump alternatives
  • Requires specific hose diameter for maximum efficiency

Setup, Compatibility & Care

To set up the pump, ensure you are using a clean 1 1/4" hose connected securely to the outlet. If using a single-hose setup, ensure the tethered cap is firmly attached to the secondary port to maintain pressure. The pump is fully compatible with any Milwaukee M18 battery; however, ensure the battery door is latched correctly to engage the IPX4 seal before submerging the unit. After use, flush the pump with clean water if it was used in muddy or chemically treated water to prevent sediment buildup in the impeller housing. Always store the unit in a dry environment and inspect the HYDROPASS filter for any lodged larger debris after each shift.

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