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The MILWAUKEE SWITCH TANK 4-Gallon Sprayer Tank Assembly is an interchangeable tank powered by the M18 SWITCH TANK Powered Base (not included). The sprayer tank assembly includes the pump, hose, and wand. The design allows users to add on tank assemblies for different spraying applications, eliminating cross-chemical contamination. It also provides users with the ability to replace the tank assembly at a lower cost of ownership compared to replacing an entire sprayer. The 4-Gallon Sprayer Tank Assembly features a dual diaphragm pump for longer pump life and Viton seals for increased durability against harsh chemicals. The sprayer tank also has a wide mouth opening for easier pouring and a strainer that filters debris from getting into the tank.


  • Instant, Constant and Adjustable Pressure for Ultimate Control
  • Up to 120 PSI & 25′ Spray Distance
  • Critical seals: Viton for increased durability against chemicals
  • Dual Diaphragm Pump: For Longer Pump Life
  • Wide Mouth Opening for Easier Pouring
  • Strainer to Filter Debris
  • Transport Handle for Convenient Transport and Storage
  • Powered by M18 SWITCH TANK Powered Base


  • Brand: Milwaukee
  • Hose Length (in.): 48 in
  • Capacity (Gallons): 4
  • Product Dimensions (DxWxHxL): 9.5x13x16.25×9.5