Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit

The Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer with SWITCH TANK 3AH Kit is built for professional landscapers, pest control specialists, and agricultural workers who need a powerful, battery-operated sprayer with consistent pressure and no manual pumping. With a maximum pressure of 140 PSI and a 24-foot vertical spray range, this system delivers efficient and controlled spraying for a variety of applications. The 5-mode flow rate adjustment allows users to switch between 0.1 and 0.52 GPM, providing the flexibility needed for different chemicals and spraying techniques. The interchangeable tank design helps prevent cross-contamination between different solutions, making it a cost-effective and versatile solution.

Powered by the included M18 REDLITHIUM XC3.0 battery, this sprayer delivers up to 20 full tanks per charge, ensuring all-day productivity. The dual diaphragm pump and Viton® seals provide increased durability and resistance to harsh chemicals, making it a reliable choice for long-term use. A padded harness with lumbar support and a hip belt ensures maximum comfort, even during extended use. The wide-mouth opening with a built-in strainer makes refilling easier while preventing debris from entering the tank. This kit includes the M18 Powered Base, 4-Gallon Sprayer Tank Assembly, M18 REDLITHIUM XC3.0 Battery, and M18/M12 Multi-Voltage Charger, along with a stainless steel wand and multiple nozzles for different spray patterns.

Milwaukee M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit At a Glance

• Battery-powered sprayer, no manual pumping: Provides consistent and adjustable pressure up to 140 PSI.
• 5-mode flow rate control: Adjust spray output from 0.1 to 0.52 GPM for different applications.
• Interchangeable tank design: Prevents cross-contamination and reduces replacement costs.
• Up to 20 tanks per charge: M18 REDLITHIUM XC3.0 battery powers extended spraying sessions.
• Dual diaphragm pump: Delivers longer pump life and reliable performance.
• Viton® seals: Designed to withstand harsh chemicals for increased durability.
• Ergonomic padded harness with lumbar support: Distributes weight evenly for comfort during extended use.
• Wide mouth opening with built-in strainer: Makes refilling easy while preventing clogs.
• Multiple spray nozzles included: Adjustable nozzle, fan nozzle, and angled nozzle adapter for different spray patterns.
• Compatible with other SWITCH TANK assemblies: Works with the 4-Gallon Water Supply Tank (49-16-19WS).

Markets

• Landscaping & Grounds Maintenance: Ideal for applying fertilizers, herbicides, and pesticides efficiently.
• Pest Control Services: Provides precision spraying for insecticides and rodent control solutions.
• Agriculture & Farming: Ensures even chemical distribution for crops, orchards, and greenhouses.
• Municipal & City Work: Useful for weed control, disinfecting public spaces, and de-icing applications.
• Horticulture & Greenhouses: Helps maintain plant health with controlled nutrient and pesticide application.
• Construction & Remediation: Supports dust control, surface preparation, and chemical treatments.
• Trade Schools & Training Centers: Offers a hands-on training solution for pesticide and sprayer operation courses.

For landscapers, exterminators, and agricultural professionals, the Milwaukee M18 4-Gallon Backpack Sprayer is a major upgrade over traditional manual pump sprayers. The battery-powered operation reduces hand fatigue while ensuring constant and adjustable pressure, allowing for more precise and efficient spraying. The interchangeable tank system is a game-changer for those using multiple chemicals, eliminating the risk of cross-contamination and making it faster and easier to switch between solutions. The comfortable backpack design distributes weight evenly, making it an excellent choice for large-scale spraying jobs.

Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit Features

• Instant, Constant and Adjustable Pressure for Ultimate Control
• Add-on Interchangeable Tank Assembly to Eliminate Cross-Chemical Contamination
• Run-time: Up to 20 tanks per charge with M18™ REDLITHIUM™ XC3.0 Battery on Mode 3
• Adjustable padded harness with lumbar support and padded hip strap for added comfort
• Optimized design for better weight distribution
• Dual Diaphragm Pump: For Longer Pump Life
• Critical seals: Viton® for increased durability against chemicals
• Wide Mouth Opening for Easier Pouring
• High visibility tank markings for easy fill management
• Tank identification stickers for easy tank identification
• Easy access latches for quick battery and tank swaps
• Compatible Tank Assemblies: 4-Gallon Water Supply (49-16-19WS) & 4-Gallon Backpack Sprayer (49-16-19PS)

Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit Includes

• (1) M18 Powered Base w/ SWITCH TANK™
• (1) 4-Gallon Sprayer Tank Assembly w/ SWITCH TANK™ (49-16-19PS)
• (1) M18™ REDLITHIUM™ XC3.0 Battery (48-11-1828)
• (1) M18™ & M12™ Multi-Voltage Charger (48-59-1812)
• (1) Stainless Steel Wand
• (1) Adjustable Nozzle (49-16-2806)
• (1) Fan Nozzle (49-16-2806)
• (1) Angled Nozzle Adapter (49-16-2806)

Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit Specifications

• Voltage: 18V
• Battery Type: M18 REDLITHIUM XC3.0 (Included)
• Power Source: Cordless
• Tank Capacity: 4 Gallons
• Pressure Range: Up to 140 PSI
• Flow Rate: 0.1 – 0.52 GPM
• Maximum Vertical Spray Distance: 24 ft
• Maximum Horizontal Spray Distance: 3 ft
• Weight: 18.9 lbs (with battery)
• Dimensions: 22.5″ H x 15″ W x 10.5″ L
• Battery Amp Hours: 3.0Ah
• Charger Included: Yes (M18 & M12 Multi-Voltage Charger)
• Warranty: 3 Years on Base, 1 Year on Tank, 3 Years on Battery

Milwaukee 3019-21PS M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit Warranty

• Milwaukee’s 3 Year Tool , 1 Year Tank, 3 Year Battery Limited Warranty

Why Customers Choose the Milwaukee M18 4-Gallon Backpack Sprayer w/ SWITCH TANK 3AH Kit

The Milwaukee M18 SWITCH TANK 4-Gallon Backpack Sprayer Kit is a must-have tool for professionals who require efficiency, power, and comfort in their spraying applications. Whether you’re treating large areas for pests, maintaining landscapes, or applying agricultural chemicals, this battery-powered sprayer ensures precise and effortless performance. The interchangeable tank system makes it versatile and cost-effective, while the comfortable backpack design allows for all-day use with minimal strain.