Product Description

The RedMax 4-Gallon Backpack Sprayer is a rugged, professional-grade sprayer designed for both commercial landscapers and serious homeowners. Built with an internal “no leak” pump system, this unit delivers reliable performance while improving safety by keeping chemicals contained.

With the ability to handle both liquids and wettable powders, it effectively combines the benefits of piston and diaphragm sprayers into one versatile unit. Its ergonomic harness and balanced design make it comfortable for extended use, while the high-pressure output ensures efficient coverage on large jobs.

Key Features

• 4-gallon capacity for extended spraying without constant refills
• Manual pump operation for reliable, no-battery performance
• Internal “No Leak” pump system for safer chemical handling
• 150 PSI maximum pressure for strong, consistent spray output
• 25 PSI regulator maintains steady application flow
• Works with liquids & wettable powders for versatile applications
• Easy-access pump system allows quick seal changes with no tools
• Deluxe comfort harness for reduced fatigue during long jobs
• 50” reinforced PVC hose with strain relief prevents kinking
• 25” stainless steel wand with poly liner for durability
• 3-nozzle kit included for multiple spray patterns

Specifications

• Tank capacity: 4 gallons
• Max pressure: 150 PSI
• Regulated pressure: 25 PSI
• Pump type: Manual piston/diaphragm hybrid
• Hose length: 50 inches
• Wand length: 25 inches (stainless steel)
• Nozzles: 3 included (adjustable + fan types)
• Handle positions: Left/right reversible; vertical or horizontal storage
• Model number: 596766001

Ideal For

• Lawn care and landscaping professionals
• Weed control, fertilizing, and pest control
• Large residential or commercial properties
• Users who prefer simple, dependable manual operation

Why Choose This Sprayer

The RedMax 4-gallon backpack sprayer stands out for its durability, high pressure output, and versatile pump design. Unlike cheaper units, it’s built for consistent performance and easy maintenance, making it a reliable tool for daily use in demanding conditions.