Engineered to professional standards and validated through a triple-testing process, SOLO backpack sprayers proudly display the “Made in the USA” mark. Versatile for tasks of any scale, they feature an ergonomic design for extended comfort. Resistant to bleach, the diaphragm pump accommodates wettable powders, liquid formulations, and bleach solutions with ease. Engineered for convenience and durability, SOLO sprayers ensure lasting performance. The ergonomic design conforms to your back, and the pump withstands harsh chemicals with minimal maintenance. The 475-B model, reaching pressures up to 60 psi, boasts a connecting-rod-actuated diaphragm pump, adept at handling abrasive particles and diverse chemicals, offering a versatile spraying solution.

Features of the SOLO 4 Gallon Backpack Sprayer

High-Performance Diaphragm Pump: Designed for wettable powders, liquids, and bleach solutions, up to 60 psi.
Sturdy Metal Frame: Ensures stability while filling.
Effortless Filling: Extra-large tank openings simplify refills and cleaning.
Extended Reach Tools: 28-inch unbreakable wand and shut-off valve for exceptional reach.
User-Friendly Shut-Off Valve: Commercial valve with lock-on/lock-off feature for reduced fatigue.
Viton Seals: Key locations have Viton seals for enduring performance.
Extended Hose: 48-inch nylon-reinforced high-pressure hose for increased reach.
Dual Filtration System: Includes a filter basket and nozzle filter.
Nozzle Variety: Four-nozzle assortment, including plastic adjustable, fan spray, hollow cone, and jet stream nozzles, compatible with TeeJet fittings.

Additional Information

Owner’s Manual (PDF)