Product Description
The M18™ 4-Gallon Water Supply Kit delivers up to 60 PSI of adjustable pressure with a battery-powered system and an interchangeable tank.
Technical Specifications
- Manufacturer part number (MPN)
- 3019-21WS
- Brand
- Milwaukee Tool
- Category
- Power Tools
- Height
- 22.5 in
- Length
- 10.5 in
- Width
- 15 in
- Battery System
- M18™
- Brushless Motor
- No
- FUEL™
- No
- Motor Type
- Brushed
- Weight
- 18.9 lb
- ONE-KEY™ Enabled
- No
- Tool Branding
- Brushed
- Tank Capacity
- 4 gal
- Warranty
- 3 Year Base, 1 Year Tank, 3 Year Battery
Cross References
- OEM-URL https://www.milwaukeetool.com/products/details/m18-4-gallon-water-supply-kit-w-switch-tank/3019-21ws
Product Documentation
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Catalogue entry last verified: 2026-08-20. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3019-21WS?
- 3019-21WS can be ordered from cballast.com as a Milwaukee catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Milwaukee product?
- The manufacturer part number is 3019-21WS.
- Who manufactures 3019-21WS?
- 3019-21WS is a Milwaukee product in the Tools range.
- Is a datasheet available for 3019-21WS?
- Yes — the 3019-21WS datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3019-21WS?
- The minimum order quantity is 1.
- Is 3019-21WS available?
- Yes — 3019-21WS is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
- How do I get a price for 3019-21WS?
- Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.