Solo Sprayers

Solo 457 sm Solo logo Solo 475 small

Solo Sprayers are world famous for their quality, & durability – your best choice for all around performance and satisfaction. Solo constructs these sprayers from high density polyethylene and other chemical resistant materials. Solo sprayers are great for herbicides and insecticides as well as for general commercial or home spraying needs. Given proper maintenance, these sprayers should last for millions of pumps and many years of use.


Best-Selling Backpack Sprayers

Solo 425 – 4 Gallon Piston Pump

Solo 425

PortaSource IG800W Inverter

4 Gallon, diaphragm pump. Ideal for use with abrasive chemicals like those found in wettable powder form. Can be used with liquid formulations.

Solo 475

  • High-density polyethylene tank with ultra-violet inhibitors allows for unmatched durability and ultra-violet protection.
  • Large 4.25″ opening with filter basket.
  • Shut-off valve and wand overall length of 28″ for hard-to-reach places.
  • 4′ high-pressure hose.
  • Padded shoulder straps for greater comfort.
  • The model 475 is capable of producing up to 60 psi, with its rugged connecting rod actuated diaphragm pump.
  • The diaphragm is made of high-quality Viton® for resistance to harsh chemicals and abrasion, resulting in long life expectancy.
  • The diaphragm is able to pass small abrasive particles without damage to the pump assembly.
  • The diaphragm pump is ideal for handling chemicals in wettable powder form, as well as liquid formulations.

Service Parts

Solo Parts Lookup – use this site to look up part numbers.

Manufacturer’s Website

Website link

John Billiou

John Billiou

LOCATION: Visalia, California


John Billiou assumed operations of the family business in 1989 with a "big appetite" for success.

Based in Central California, Billiou's Has been serving the Parts Needs of Lawn & Garden Dealers Across the Western United States for 70 Years.

Today, the company distributes new equipment and parts in 13 Western states and John said their No. 1 customers are cities and counties.

Billiou’s provides field support through their call center, field sales force, and an extensive website.

Billiou’s team strives to longstanding value to the customer and readers by making reliable and solid buying recommendations.

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