Skip to main content

Backpack Sprayers

  • 4 Gallon ProSeries Backpack Sprayer
    Add to Cart The item has been added


    4 Gallon ProSeries Backpack Sprayer

    Part #: BPS4G

    4-Gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning Compatible with common fertilizers, weed killers and pesticides 3-Stage filtration system with in-tank removable/cleanable filter Cushion grip...

    Add to Cart The item has been added

Professional grade backpack sprayers perfect for liquid chemical applications, engineered with professional features and premium materials that are sure to meet work demands. We offer performance quality backpack sprayers made in the USA by Chapin Manufacturing, maker of some of the best backpack sprayers on the market since 1884. Backpack sprayers are high mobility, complete spraying systems made for single person operation and transport. They are a solitary unit also known as a backpack pump sprayer that consists of a spray tank, access lid, pump, hose, spray wand all attached to a frame with carrying straps. Available backpack sprayers are made for compatibility with a wide range of work uses and spray jobs that are hard to reach or that require precision application of spray fluids. They are ideal for the landscape, foliage, turf business professional and designed for use by homeowners, landowners and farmers too. Our backpack sprayers are well suited for use with common spray chemicals used in cleaning, sanitizing, restoration, lawns, gardens, agriculture, livestock, disease control, plant control as well as contractor, construction and industrial based applications. Use them with most popular chemical fertilizer, grass killer, weed killer, pesticide, fungicide, insecticide and herbicides. Available backpack sprayers are good for use in applying plant or crop food, protection and performance chemicals. Ideal for general household and outdoor use with detergents, cleaning solutions and sanitizers for floors, walls, windows, glass, tops, surfaces and ceilings.

We offer the Chapin ProSeries backpack sprayer for sale online. Available backpack pump sprayers are manufactured from commercial grade, rust proof plastic for superior corrosion resistance and compatibility with common spray chemicals. These sprayers have a sturdy steel frame with a powder coat finish for dependable, lasting durability against impacts and weathering. The Chapin® ProSeries™ is a 4 gallon backpack sprayer with piston pump, Viton® seals, spray wand, hose, frame, straps and lid. They feature a professional quality, fast acting, dependable spray pump that builds pressure quickly. It comes with a lever action piston pump designed for easy conversion from left handed or right handed operation to match individual user needs. An adjustable spray tip provides wide to narrow spray area coverage with a turn of the nozzle tip, allowing accurate directional chemical applications. Padded comfort backpack straps easily clip onto the frame and adjust to aid in weight distribution and balance for the perfect fit comfortable on the back even when full. Some assembly is required prior to use with installation designed to be straightforward and easy. The spray pump handle and hose require hookup and straps clipped to the frame. The spray pump handle comes with dual-sided mounting holes to allow for either left hand or right hand use. The Chapin® ProSeries™ backpack sprayer features a 4 gallon heavy duty polyethylene tank. Unit is designed at 4 gallon capacity and engineered to promote top portability, spray versatility and access. The unit weighs 10.2 lbs. With 4 gallons water, the spray tank would weigh 33.3 lbs plus unit weight for about 43.5 lbs total. The tank is translucent, semi-opaque white for easy visual of liquid levels and to limit solar heating. Tank is clearly marked with volume indicators to assist with mixing and monitoring capacity during use. Sprayer has 4 in. wide tank mouth to improve ease of filling and cleanings, and a screw cap lid that features a built-in spray rod carrying slot. Backpack sprayer are made with Viton® seals for reliable, lasting chemical compatibility.

The Chapin® ProSeries™ 61800 backpack sprayer is engineered for no more clogged nozzles, triggers or tanks. Designed with a three (3) stage filtration system made to keep the unit clog-free and work flow going. Stage 1 is an under-the-lid filter basket for capturing large, unwanted particles during tank filling. Stage 2 is a removable in-tank filter located at the inlet of the pump pressure cylinder. Stage 3 is a removable, in-line fine mesh screen filter located upstream of the spray wand shutoff valve. Altogether, the three stage system provides cleaner, more accurate and long lasting reliable spraying free of debris and clogs. To achieve optimum performance, promote consistent fluid flow and reduce wear, periodic cleaning of the three stage filtration system is recommended.

This backpack sprayer unit comes with a 3 piece adjustable nozzle kit. Nozzle kit includes a high grade brass cone, poly fan and poly cone tips made to match job application needs. Sprayer pump is an internal, no-leak piston style pump that provides up to 40 – 60 PSI max operating pressure range at 0.4 – 0.5 GPM flow rate with a maximum spray stream of 23 feet vertical and 25 feet horizontal. Sprayer hose is 48 inches (4 feet) in length made from clear, reinforced PVC material. Spray wand is a 20” rod made from heavy duty polyethylene. Spray wand features a four position pressure knob for pressure control between 15 – 60 PSI. Spray wand comes with a spray lock and poly cushion grip handle for extended comfort and use.

Note: Backpack sprayers are not recommended for tank solution temperatures of 120º F/ 49º C or greater. Never spray flammable, caustic, acidic, chlorine, bleach or other corrosive type chemical solutions not approved by the manufacturer. Not recommended for powder based chemicals due to potential abrasive wear on the sprayer. When using powder based spray products, ensure chemicals are fully dissolved prior to spraying. Do not spray chemicals that will produce heat, pressure, or gases when used. Do not use backpack sprayers for household, contact surface applications that have been previously used with toxic chemicals such as pesticides. Always read and follow manufacturer’s instructions before use as some chemicals may be hazardous when used with this sprayer. Do not store spray solutions in sprayer when not in use. For additional information, see Chapin® ProSeries™ Backpack Sprayer Use and Care Manual.