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Chapin Dual Action Backpack Sprayer — 4-Gallon Capacity, 90 PSI, Model# 63900

Item# 47095
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Chapin Dual Action Backpack Sprayer — 4-Gallon Capacity, 90 PSI, Model# 63900

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Only $99.99
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  • 3-stage filtration system: strainer basket, filter in piston cylinder, and filter in shut-off
  • 6in. mouth opening for easy filling and access to internal components
  •  Dual displacement pump piston and diaphragm pump configuration virtually eliminates leaking from the pump
  • In-tank removable filter catches anything that gets by the strainer basket when filling and attaches to the inlet filter at the piston
  • JetClean self-cleaning sends a powerful burst of fluid through the filter with every downstroke of the pump handle to prevent it from clogging with debris
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Product Summary

The commercial-duty Chapin Dual Action Backpack Sprayer combines piston and diaphragm technology to provide pressure from 25 to 90 PSI and virtually eliminate piston leaks. It sprays liquids and wettable powders. The self-cleaning JetClean design keeps the 3D removable filter from clogging up with residue and debris. 6in. mouth opening for easy filling. Includes multiple nozzles for various spray patterns and volumes.

Features + Benefits

  • 3-stage filtration system: strainer basket, filter in piston cylinder, and filter in shut-off
  • 6in. mouth opening for easy filling and access to internal components
  •  Dual displacement pump piston and diaphragm pump configuration virtually eliminates leaking from the pump
  • In-tank removable filter catches anything that gets by the strainer basket when filling and attaches to the inlet filter at the piston
  • JetClean self-cleaning sends a powerful burst of fluid through the filter with every downstroke of the pump handle to prevent it from clogging with debris
  •  Includes multiple nozzles for various spray patterns and volumes
  • Durable Viton® seals
Key Specs
Item# 47095
Brand Chapin
Manufacturer's Warranty 1 year Limited Warranty
Ship Weight 10.5 lbs
Tank Size (gal.) 4
Pressure (PSI) 25–90
Spray Pattern Cone, fan
Pump Type Piston
Spray Height (ft.) Cone/straight stream: 25, fan: 5
Broadcast Width (ft.) 3–5
Flow (oz./min.) 0.2–0.5
Hose Length (in.) 48
Wand Length (in.) 20
Seal Type Viton
Repairable Pump Yes
Dimensions L x W x H (in.) 13 1/2 x 8 1/2 x 22

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Hide Similarities
Tank Size (gal.) 4 4 4 4 4
Pressure (PSI)
90 90 25–90 60 40
Spray Pattern Cone, fan - Cone, fan Cone, double cone, fan, shower Cone, fan
Pump Type Piston Piston Piston 12V Piston
Spray Height (ft.) 20 - Cone/straight stream: 25, fan: 5 25–30 Cone/straight stream: 25, fan: 5
Broadcast Width (ft.) - - 3–5 4–5 3–5
Flow (oz./min.) - - 0.2–0.5 25 0.2–0.5
Hose Length (in.) 47 3/4 48 48 76 48
Wand Length (in.) 20 28 20 20 20
Seal Type Nitrile Viton Viton Viton Viton
Battery Charging Time (hrs.) - - - 9 1
Repairable Pump Yes - Yes - Yes
Dimensions L x W x H (in.)
18 1/8 x 7 1/2 x 19 3/4 - 13 1/2 x 8 1/2 x 22 15 x 7 x 20 1/2 14 7/8 x 8 7/8 x 22