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Solo Backpack Sprayer with Piston Pump, 425

SKU # 213729399
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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.

Specification Description
Application/Use: Designed for applying lawn and garden chemicals for jobs both large and small
Applicator Type: Sprayer
Brand: Solo
Capacity: 4
Chemical Compatibility: Liquid disinfectants, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection
Compatibility: TeeJet compatible
CountryofOrigin: Made in USA
Indoor and/or Outdoor: Outdoor
Hose Length: 48 in.
Maximum Operating Pressure: 90 PSI
Part Number: 425
Product Height: 20 in.
Product Length: 14.5 in.
Product Weight: 11 lb.
Product Width: 9.5 in.
Special Feature(s): Viton seals in key locations ensure long service and durability
Tank Material: Durable, high-density polyethylene
Type: Backpack Sprayer
Product Type: Backpack Sprayers
Manufacturer Part Number 425
Solo Backpack Sprayer with Piston Pump, 425 is rated 3.7 out of 5 by 7.
Rated 1 out of 5 by from Do Not Buy This Sprayer I purchased this identical sprayer three years ago and it worked like a champ until this Spring when it developed a leak in the pump. I figured that I had gotten my money's worth out of the unit and purchased an identical replacement at the TSC in Lancaster, SC. The first time I filled it up it leaked from the wand supply line outlet. Solo uses a cheap plastic hose clamp at that location so I replaced it with a high quality automotive clamp and sealed it with silicone. l filled it up with water to check the repair and now it's leaking around the pump without any pressure on it at all. Unless you like your lawn/garden chemicals being leaked down your backside I would stay away from this unit. Solo may be "Made in the USA" but they clearly have no quality control!!!
Date published: 2016-09-03
Rated 1 out of 5 by from Great for a year- then pump failed completely I purchased this on a friends recommendation. I loved it for one season. Moderate use and only Roundup. Second year - in mid season the pump failed completely. Perhaps, like so many other things these days Solo has lowered their standards. Whatever, I would never recommend that anyone pay a premium price for such a poor product. My 1 1/2 gallon cheapies have all lasted at 3-4 years and easily outperformed this sorry unit.
Date published: 2011-06-29
Rated 4 out of 5 by from nice product This is a nice product for the $$ and the home-owner. It is easy to use, clean re-fill and sprays well. I have used it approximately 10 times this summer and have no complaints yet.
Date published: 2010-08-26
Rated 5 out of 5 by from Worth every penny! This sprayer is really great for those bigger spraying jobs, yet handy enough to use for small jobs. It makes every spraying job simpler than using a hand held tank pump-up type sprayer. The higher pressure allows reaching those high places that can't be reached with most tank sprayers.
Date published: 2010-08-26
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How much does the unit way dry?

Asked by: ltpaheer
The backpack sprayer weighs 11 lbs. when dry.
Answered by: BrittanyH
Date published: 2016-08-05

What is the capacity 

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

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

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 I use this back pack for Hypochlorite application?

Asked by: RUReady
Yes, as long as it comprises only 6% of your solution. The sprayer MUST be cleaned out with soapy water afterwards.
Answered by: DanielB
Date published: 2017-04-11

how high will the sprayer reach?

Asked by: tall timber
The sprayer will reach 25ft from the tip of the nozzle.
Answered by: DanielB
Date published: 2017-05-26
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