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Solo Backpack Sprayer with Piston Pump, 425

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Easily and effectively handles liquid disinfectants, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection.

  • High-performance piston pump for increased pressure capabilities of up to 90 psi.
  • Rugged metal frame for stability when filling.
  • Extra-large tank openings for easier filling and cleaning.
  • 28" unbreakable wand and shut-off valve for excellent reach.
  • Commercial shut-off valve with lock-on/lock-off feature to minimize user fatigue.
  • Viton® seals in key locations ensure long service and durability.
  • Interchangeable pump handle for left or right-hand operation.
  • 48" nylon-reinforced high-pressure hose for extended reach.
  • Double filtration system: filter basket and nozzle filter.
  • Four-nozzle assortment for multiple spraying tasks: adjustable, fan spray, hollow cone, and jet stream nozzles. TeeJet® compatible.

Additional Product Information
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Product Details

Easily and effectively handles liquid disinfectants, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection.

  • High-performance piston pump for increased pressure capabilities of up to 90 psi.
  • Rugged metal frame for stability when filling.
  • Extra-large tank openings for easier filling and cleaning.
  • 28" unbreakable wand and shut-off valve for excellent reach.
  • Commercial shut-off valve with lock-on/lock-off feature to minimize user fatigue.
  • Viton® seals in key locations ensure long service and durability.
  • Interchangeable pump handle for left or right-hand operation.
  • 48" nylon-reinforced high-pressure hose for extended reach.
  • Double filtration system: filter basket and nozzle filter.
  • Four-nozzle assortment for multiple spraying tasks: adjustable, fan spray, hollow cone, and jet stream nozzles. TeeJet® compatible.

Specifications

Specification Description
Indoor and/or Outdoor Outdoor
Tank Material Durable, high-density polyethylene
Applicator Type Sprayer
Application/Use Designed for applying lawn and garden chemicals for jobs both large and small
Country of Origin Made in USA
Product Width 9.5 in.
Special Feature(s) Viton seals in key locations ensure long service and durability
Part Number 425
Brand Solo
Compatibility TeeJet compatible
Chemical Compatibility Liquid disinfectants, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection
Maximum Operating Pressure 90 PSI
Capacity 4
Product Weight 11 lb.
Product Height 20 in.
Hose Length 48 in.
Product Length 14.5 in.
Type Backpack Sprayer
Manufacturer Part Number 425

Reviews

Solo Backpack Sprayer with Piston Pump, 425 is rated 3.9 out of 5 by 29.
Rated 5 out of 5 by from Very Nice Sprayer Great sprayer, lightweight and dependable, well made.
Date published: 2020-09-16
Rated 1 out of 5 by from Terrible durability Used to spray cattle fly spray one time; and diaphragm is toast
Date published: 2020-08-08
Rated 5 out of 5 by from Happy with sprayer I purchased for my husband after he told me exactly what he wanted. He was pleased with it. He’s already used to wash the house and spray weeds.
Date published: 2020-04-29
Rated 1 out of 5 by from Where’s my Backpack Sprayer??? Got notice that sprayer was shipped 10 April. I still (23 April) have not gotten a notice for pickup at store. Nearly 2 weeks in transit is way too long!
Date published: 2020-04-23
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Questions & Answers

How much does the unit way dry?

Asked by: ltpaheer
The backpack sprayer weighs 11 lbs. when dry.
Answered by: BrittanyH
Date published: 2019-04-02

What is the capacity 

Asked by: Mothgrey
It has a 4 gallon capacity.
Answered by: DanielB
Date published: 2016-09-05

Can this product be used fertilized 1 acre lawn?

Asked by: Bobby 63

What type of straps come with the 425? Hopefully shoulder, chest and waist straps would be ideal"

Asked by: Juli728
This item uses backpack-style shoulder straps.
Answered by: MatthewL
Date published: 2019-01-28

Can this be used to water Hanging plants?

Asked by: letitgrow
Yes, this can be used to water hanging plants.
Answered by: AmandaW
Date published: 2018-05-05

How many gallons does this hold? The specs say 4, but I thought this model held 3.

Asked by: Sarah987
4 gallons
Answered by: MatthewL
Date published: 2020-07-07

Can I ride this in a cart instead of wearing it?

Asked by: Fe Fe
There shouldn't be a problem with this application, though we would suggest strapping this to the cart to prevent it from tipping.
Answered by: AmandaW
Date published: 2018-04-07

Can this be used to apply water stain sealant?

Asked by: dongtam
We do not recommend this sprayer for that type of use.
Answered by: NRoberts
Date published: 2019-05-16
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