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Diaphragm Pump, 4-gal. ProSeries™ Backpack Sprayer

Item # 163123

Professional-grade sprayer that’s perfect for use with wettable powders, which may cause wear to piston pump sprayers

SPRAY IN COMFORT - Sprayer features a padded shoulder and waist straps for all-day comfort
CUSTOMIZE YOUR PRESSURE - Four-position pressure adjustment from 15 to 60 psi lets you manage each unique job
VERSATILE SPRAY PATTERNS - Includes fan, cone and brass adjustable nozzles
DESIGNED FOR YOU - Pump handle can be positioned on the right or left side, whichever works best for you

Since 1902, Chapin has been making professional-grade sprayers - and the Diaphragm Pump, 4-gal. Backpack Sprayer continues in their legacy of excellence. This sprayer features Viton® seals, a 20"L poly spray wand and 48"L spray hose to hit all of those hard-to-reach areas. Weighs 10.3 lb.

Need more options? Check out our full selection of Sprayers and Parts

2018 Reference Guide: Page 234

Backpack Sprayers Comparison Chart
Online Documents
  • Owner's Manual - Instruction Manual for Chapin ProSeries Backpack Sprayer -- Diaphragm Pump 4-gal.
  • Parts List - Parts for Chapin Diaphragm Pump, 4-Gal. ProSeries™ Backpack Sprayer
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