Milwaukee M18 Switch Tank 4 Gallon Backpack Sprayer – 2820-20PS
The Milwaukee M18 SWITCH TANK 4 Gallon backpack sprayer has an interchangeable tank design with no manual pumping. It delivers instant, constant, adjustable pressure for landscape maintenance applications.
The sprayer consists of an M18 SWITCH TANK powered base and a 4 Gallon sprayer tank assembly. The powered base includes the motor, battery compartment, and REDLINK electronics, while the tank assembly includes the pump, hose, and wand.
- Adjustable pressure: 20 – 120 PSI
- Spray distance: 25 ft
- Pressure adjustment: 5-mode knob
- Pump: Dual diaphragm
- Tank features: Wide mouth opening and debris strainer
- Backpack frame: Wide straps and transport/storage handle
- Compatible tank assemblies: 49-16-28CS and 49-16-28WS
- Battery: M18 REDLITHIUM XC3.0, sold separately
- Battery runtime: Up to 12 tanks of spraying per charge
- Free shipping on all U.S. orders
- 30-day returns
Shipping, returns and help
Shipping & delivery
| Standard shipping | Free on every order |
| Handling | 1-2 days |
| Transit | 2-4 days |
| Ships to | United States |
You get a tracking number by email as soon as your order ships. Full shipping policy
Returns & refunds
Return within 30 days of delivery in original condition and packaging. Refunds go back to the original payment method within 5-10 business days after we receive the item.
Questions? Talk to a real person
Email [email protected] · Online orders 24/7, support replies Mon-Fri.
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