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  • The image shows a 4-Gallon Water Supply Tank Assembly with SWITCH TANK™. It features a white tank with a blue handle and cap, a red mounting bracket labeled "SWITCH TANK," and a clear hose attached. The tank appears designed for use in liquid supply applications.
  • The image shows a Milwaukee M18 4-Gallon Water Supply Assembly with Switch Tank. It features a red and white tank with a blue handle and a coiled white hose attached. The words "For Use With" are written in white on a red bar at the top.
  • A worker is using a Milwaukee saw on a concrete surface in an industrial area. The M18™ 4-Gallon Backpack Sprayer w/ SWITCH TANK™ is seen in the foreground, featuring a white and red design with a blue handle. Equipment and materials are stored on shelves nearby.
  • A person wearing a white hard hat and gloves carries the M18™ 4-Gallon Backpack Sprayer w/ SWITCH TANK™. The sprayer, red and white with tubing, is worn on their back as they walk in an industrial area.
  • A construction worker uses an M18™ 4-Gallon Backpack Sprayer w/ SWITCH TANK™ to spray water on a concrete surface. The sprayer is attached to a red Milwaukee tool, and various construction materials are stacked in the background.
  • The image shows a close-up of the top of a 4-Gallon Water Supply Tank Assembly with SWITCH TANK™. It features a blue screw-on cap and a transparent braided tube attached to the top.
  • This image shows a 4-Gallon Sprayer Tank Assembly w/ SWITCH-TANK™. The white, cylindrical tank features a perforated bottom section for fluid distribution. The tank is designed for use with a sprayer system.
  • SWITCH TANK™ 4-Gallon Water Supply Tank Assembly
  • The image features a black and white label stating "Tank Limited 1 Year Warranty" on a gray background. The text is centered in a rectangular border, with "Tank Limited" at the top, a large number "1" in the middle, and "Year Warranty" at the bottom.
49-16-19WS

4-Gallon Water Supply Tank Assembly w/ SWITCH TANK™

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Includes (2)

(1)
4-Gallon Water Supply Tank Assembly w/ SWITCH TANK™
(1)
Water Supply 10' Hose Assembly w/ Quick-Connect

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Product Overview

Our 4-Gallon Water Supply Tank Assembly w/ SWITCH TANK™ is an interchangeable tank powered by the M18™ Powered Base w/ SWITCH TANK™ (not included). The water supply tank assembly includes the pump, 10-foot hose, and quick-connect nozzle. The isolated pump, hose, and tank allows you to add on additional tank assemblies for different applications. The 4-Gallon Water Supply Tank Assembly features a dual diaphragm pump for increased durability and longer pump life. The water supply tank also has a wide mouth opening for easier pouring and a strainer that filters debris from getting into the tank.

  • Interchangeable Tanks, No Manual Pumping

  • Instant, Constant and Adjustable Pressure for Ultimate Control

  • Compatible with: M18™ Powered Base w/ SWITCH TANK (3019-20)

  • Scale your system with additional tank assemblies

  • Transport Handle for Convenient Transport and Storage

  • Dual Diaphragm Pump: For Longer Pump Life

  • Wide Mouth Opening for Easier Pouring

  • Strainer to Filter Debris

  • Easy access latches for quick tank swaps

Product Documents

Manual / Parts List
58-14-1979
Data Sheets
SWITCH TANK Cleaning Guide 2025

Reviews

Additional Resources

Manuals
Warranty
Parts List
Fix My Tool

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