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Milwaukee M18 Switch Tank 4-Gallon Backpack Sprayer, Tool and Accessories, Model# 2820-20PS

Item# 79533
Milwaukee M18 Switch Tank 4-Gallon Backpack Sprayer, Tool and Accessories, Model# 2820-20PS

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Milwaukee M18 Switch Tank 4-Gallon Backpack Sprayer, Tool and Accessories, Model# 2820-20PS

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  • Powered base, and SWITCH TANK™ Assembly only, REDLITHIUM™ battery and charger sold separately
  • Powered base includes motor, battery compartment and electronics
  • Interchangeable tank assembly isolates the pump, hose and wand, separating wearable components from the M18™ SWITCH TANK™ powered base
  • Interchangeable tank design isolates the pump, hose and wand, separating wearable components from the M18™ SWITCH TANK™ powered base
  • Switchable tanks eliminate cross-chemical contamination

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

This Milwaukee® M18™ SWITCH TANK™ 4-Gallon Backpack Sprayer utilizes the industry's first interchangeable sprayer tank design with no manual pumping. The setup eliminates cross-chemical contamination and reduces the number of sprayers needed when using multiple chemicals. The battery-powered backpack sprayer delivers instant, constant and adjustable pressure up to 120 PSI and a 25ft. spray distance that meets the needs of professional landscape maintenance. A 5-mode pressure adjustment knob allows pressure adjustments from 20 to 120 PSI to handle a wide range of applications. The M18™ REDLITHIUM™ XC3.0 Battery (sold separately) provides up to 50 gallons (12 tanks) of spraying per charge and is interchangeable with over 175 Milwaukee M18 Fuel™ tools. The M18™ SWITCH TANK™ 4-gallon backpack sprayer is part of the M18 Fuel™ tool system.

What's Included

    (1) M18™ SWITCH TANK™ powered base (1) SWITCH TANK™ 4-gal. sprayer tank assembly (1) Stainless steel wand (1) Adjustable nozzle (1) Fan nozzle (1) Angled nozzle adaptor

Features + Benefits

  • Powered base, and SWITCH TANK™ Assembly only, REDLITHIUM™ battery and charger sold separately
  • Powered base includes motor, battery compartment and electronics
  • Interchangeable tank assembly isolates the pump, hose and wand, separating wearable components from the M18™ SWITCH TANK™ powered base
  • Interchangeable tank design isolates the pump, hose and wand, separating wearable components from the M18™ SWITCH TANK™ powered base
  • Switchable tanks eliminate cross-chemical contamination
  • No manual pumping required -- powerful pump and motor deliver instant and constant pressure up to 120 PSI for ultimate control
  • 5-mode pressure adjustment knob adjusts pressure from 20-120 PSI
  • 25ft. maximum spray distance
  • Wide mouth tank opening and strainer/filter offer easier, debris-free filling of the tank
  • Wide backpack straps on the frame provide comfort during extended duty cycles
  • Transport handle for convenient transport and storage
  • Sprays up to 50 gallons per charge
  • Dual diaphragm pump delivers longer pump life and Viton® seals for increased durability against harsh chemicals
  • Powered Base is compatible with the SWITCH TANK™ 4-Gallon Concrete Sprayer (Item# 79534) and 4-Gallon Water Supply (Item# 79536) Tank Assemblies (both sold separately)

Key Specs

AttributeSpecification

item#

79533

Brand

Milwaukee

Manufacturer's Warranty

3 year limited warranty

Ship Weight

22.2 LB

Tank Size

4 Gal

Flow

0.3 GPM

Pressure

120 PSI

Seal Type

Viton
AttributeSpecification

Spray Height

25 ft

Spray Pattern

Adjustable

Wand Length

18 in

Pump Type

Double Diaphragm

Hose Length

48 in

Product Weight

22.2000 lb

Dimensions L x W x H (in.)

10.0 x 13.0 x 21.75 in

Reviews

Questions & Answers

342 Reviews This action will navigate to reviews.

Questions

1–5 of 5 Questions  
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  1. Could I buy the tanks separately if I wanted extra tanks?

    1 answer

    1. Yes, the additional tank for this is item 81927.

      Helpful?

  2. Will it hurt it to get rained on

    1 answer

    1. Using the sprayer in the rain would not hurt it.

      Helpful?

  3. How long does each 4-gallon tank last before it needs to be refilled?

    1 answer

    1. When used continuously on the max setting the 4 gallon tank would empty in approximately 8 minutes.

      Helpful?

  4. Can you use a 12 amp hr battery on this sprayer?

    1 answer

    1. The sprayer could be used with an 18 volt Milwaukee 12 Amp hour battery.

      Helpful?

  5. Does this sprayer deliver about 1/2 gallon a minute on the # 5 setting?

    1 answer

    1. The maximum flow rate at .10-.51 is a 1/2 gallon per minute.

      Helpful?

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Warranty

Manufacturer's Warranty

3 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.