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Chapin ProSeries Backpack Sprayer -- Diaphragm Pump 4-gal.

Item No: 163123
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Product Information

Chapin® Diaphragm Pump 4-gallon Backpack Sprayer

  • Diaphragm pump is designed for wettable powders
  • 4-position pressure adjustment
  • Fan, brass and cone nozzles included

Chapin® has provided professional-grade sprayers ever since they patented the first U.S. pump sprayer in 1902. The new ProSeries™ continues the tradition of excellence by providing the features you need at a reasonable price. This 4-gal. diaphragm pump backpack sprayer is designed for use with wettable powders, which may cause wear to piston pumps. Features Viton® seals, a 20" poly wand, 48" spray hose, and padded shoulder and waist straps. Other features include a four-position pressure adjustment from 15 to 60 psi, fan and cone nozzles and a brass adjustable nozzle. Pump handle can be positioned on the right or left side. USA made.

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2015 Master Catalog: Page 295

Product Reviews


Capacity:4 gal.
Pressure Cylinder:Internal
Pump Style:Diaphragm
Maximum Pressure:60 psi
Average Spray Height:20-25ft.
Pressure Gauge:Included
Nozzle Tip:Cone, flat, brass adj.
Filter:In handle
Herbicide Compatibility:Yes
Pesticide Compatibility:Yes
Cleaner Compatibility:Yes
Acid Compatibility:No
Backpack Sprayers Comparison Chart

Online Documents

  • Owner's Manual - Chapin ProSeries Backpack Sprayer -- Diaphragm Pump 4-gal.