Best 4 Gal Backpack Sprayers In September 2024

To help you choose the Best 4 Gal Backpack Sprayers, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best 4 Gal Backpack Sprayers.

Top Rated Best 4 Gal Backpack Sprayers Of 2024

Rank	Product Name	Score
1	Field King Professional 190328 No Leak Pump Backpack Sprayer for Killing Weeds in Buy Now	9.7 Buy Now
2	Chapin 61502 4-Gallon Backpack Sprayer with Bonus Foam Nozzle, Translucent White Buy Now	9.5 Buy Now
3	Husqvarna Sprayers, 4 Gallon Backpack, Orange/Gray Buy Now	9.1 Buy Now
4	Chapin International 63985 Black & Decker Backpack Sprayer, 4 gal, Translucent White Buy Now	8.8 Buy Now
5	Solo 4 Gallon Backpack Sprayer Piston Pump Buy Now	8.6 Buy Now
6	Chapin 61802 4-Gallon ProSeries Plus Backpack Sprayer with Bonus Foami, Translucent White Buy Now	8.3 Buy Now
7	Chapin International 61575 Bleach & Disinfectant Backpack Sprayer, 4 gal, Translucent White Buy Now	8.1 Buy Now
8	Solo 475-B-DELUXE Professional Diaphragm Pump Backpack Sprayer, 4-Gallon, Bleach Resistant Pump Assembly Buy Now	7.8 Buy Now
9	Chapin 63924 4-Gallon 24-volt Extended Spray Time Battery Backpack Sprayer For Fertilizer, Herbicides Buy Now	7.5 Buy Now
10	Solo 475-B Diaphragm Pump Backpack Sprayer, 4-Gallon, Bleach Resistant Pump Assembly Buy Now	7.2 Buy Now

1. Field King Professional 190328 No Leak Pump Backpack Sprayer for Killing Weeds in

1

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9.7/10 our score

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• Durable, 21 inch poly wand with the highest quality viton seals can be used with wet table powders and liquids for all applications does the work of both a piston and diaphragm backpack
• 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. also accepts tee jet nozzles.
• Internal no leak pump design is safer to use chemicals will not drip down your back. internal piston pump delivers up to 150 psi
• Premium, lockable shut off with brass components and an in-line filter.
• Easy access pump allows changing of seals in just minutes with no tools

2. Chapin 61502 4-Gallon Backpack Sprayer with Bonus Foam Nozzle, Translucent White

2

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9.5/10 our score

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• Bonus foaming nozzle for precise spraying
• 2-stage filtration system, one filter at the top and another filter at shut-off
• Poly shut-off with 2 nozzles: poly fan, poly adjustable cone
• This pro-series plus unit has a 4-gallon 4-inch mouth opening, translucent tank for easy filling and cleaning
• Compatible with common fertilizers, weed killers and pesticides
• Padded shoulder straps to accommodate a full backpack for hours

3. Husqvarna Sprayers, 4 Gallon Backpack, Orange/Gray

3

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9.1/10 our score

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• Easy access pump, change seals in just minutes with no tools
• Internal no leak pump design is safer to use - chemicals will not drip down your back
• Pump handle can be stored vertically or horizontally
• Deluxe comfort harness
• Can be used with wet table powders and liquids for all applications. does the work of both a piston and diaphragm backpack
• 150 max psi: 25 psi pressure regulator delivers constant pressure to apply lawn chemicals

4. Chapin International 63985 Black & Decker Backpack Sprayer, 4 gal, Translucent White

4

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8.8/10 our score

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• 4-gallon tank with 6-inch wide mouth funnel for easy filling and cleaning
• Note: kindly refer user manual and instructional video before use
• Straps for prolonged use. this shut off does not have a lock-on/lock-off feature. . spray stream max vertical: up to 27-feet
• 35-40 psi with a 20-foot maximum horizontal spray stream
• Cushion grip shut-off with three nozzles for a variety of applications
• Features a black & decker 20-volt lithium ion battery for up to 1. 75 hours of continuous spraying

5. Solo 4 Gallon Backpack Sprayer Piston Pump

5

Buy Now

8.6/10 our score

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• Thoughtfully designed with viton seals placed in key locations to ensure long service and durability
• Solo's rugged metal frame with an extra-large tank opening makes it easy to fill and clean quickly
• Solos 425 backpack sprayer includes a 28-inch unbreakable wand that securely connects to a 48-inch nylon-reinforced high-pressure hose for an extended reach
• Four easily changeable commercial-grade spraying nozzles-plastic adjustable, fan spray, hollow cone, jet stream nozzle and is teejet compatible
• Designed with a commercial shut-off valve that securely locks in either the on or off position to minimize user fatigue, the pump handle is interchangeable for left or right-hand operation
• Easily spray liquid disinfectants, fertilizers, herbicides, pesticides with solo's high-performance piston pump for tree, shrub and plant protection

6. Chapin 61802 4-Gallon ProSeries Plus Backpack Sprayer with Bonus Foami, Translucent White

6

Buy Now

8.3/10 our score

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• 3-stage filtration system with in-tank removable/cleanable filter
• Compatible with common fertilizers, weed killers and pesticides
• 4-gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning
• Cushion grip poly shut-off with three nozzles for a variety of applications
• Padded shoulder straps to accommodate a full backpack for hours
• This pro-series plus unit had bonus foaming nozzle for precise spraying

7. Chapin International 61575 Bleach & Disinfectant Backpack Sprayer, 4 gal, Translucent White

7

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8.1/10 our score

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• Compatible with bleach solutions and fungicides
• Padded shoulder straps to accommodate a full backpack for hours
• 4-gallon 4-inch wide mouth opening with removable strainer, translucent tank for easy filling and cleaning
• Comfort-grip poly shut-off and reinforced hose, adjustable cone and fan nozzles included
• Up to 100 psi of pressure

8. Solo 475-B-DELUXE Professional Diaphragm Pump Backpack Sprayer, 4-Gallon, Bleach Resistant Pump

8

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7.8/10 our score

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• Fold-away handle with wand retainers for convenient storage, easily reversible for left or right-hand operation.
• High-performance diaphragm pump for use with wet table powders, liquid formulations and bleach solutions
• Extra large carrying handle with wand retainer for easy portability and storage
• Durable professional grade brass adjustable nozzle and 4-nozzle assortment
• Adjustable pressure regulator with four positions: 15, 30, 45, 60 psi
• Deluxe shoulder straps and waist belt for user comfort

9. Chapin 63924 4-Gallon 24-volt Extended Spray Time Battery Backpack Sprayer For Fertilizer,

9

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7.5/10 our score

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• Note:kindly refer to the user manual provided as a pdf manual in the product description section
• Cushion grip shut-off with three nozzles for a variety of applications (does not have lock-on/lock-off feature)
• Features a 24-volt lithium ion battery for up to 2 hours of continuous spraying. spray up to 58 gallons on a single charge
• 4-gallon tank with 6-inch wide mouth funnel for easy filling and cleaning
• 35-40 psi with a 25-30-foot maximum horizontal spray stream
• 3-stage filtration system to prevent clogging and deluxe padded shoulder straps for comfortable use

10. Solo 475-B Diaphragm Pump Backpack Sprayer, 4-Gallon, Bleach Resistant Pump Assembly

10

Buy Now

7.2/10 our score

Buy Now

• Easily and effectively handles disinfectants, bleach solutions, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection.
• Four-nozzle assortment for multiple spraying tasks: adjustable, fan spray, hollow cone, and jet stream nozzles. teejet compatible.
• Diaphragm is made of top quality tivilon material to provide outstanding resistance to harsh chemicals.
• High-performance diaphragm pump for use with wettable powders, liquid and bleach solutions. passes small abrasive particles without damage to the pump assembly. produces pressure of up to 60 psi.
• Interchangeable pump handle for left or right-hand operation and 48 nylon-reinforced high-pressure hose for extended reach.