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Solo Diaphragm Pump Backpack Sprayer — 4-Gallon Capacity, 60 PSI, Model# 475-B

Item# 32385
Solo Diaphragm Pump Backpack Sprayer — 4-Gallon Capacity, 60 PSI, Model# 475-B

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Only $119.99
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  • Tivilon diaphragm effectively handles disinfectants and bleach solutions
  •  High-density polyethylene tank with UV inhibitors for increased longevity
  •  4 1/4in. opening for easier filling and cleaning
  • Commercial shut-off valve with lock-on/lock-off feature minimizes user fatigue and helps prevent waste
  • Four-nozzle assortment handles a variety of spraying jobs
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Product Summary

3-in-1 Solo Diaphragm Pump Backpack Sprayer handles wettable powder formulas (including sediment water and abrasives), liquid formulations and bleach solutions, thanks to a resistant Tivilon diaphragm. 4-gallon tank is made of high-density polyethylene with UV inhibitors for increased longevity.

What's Included
  •  (1) Backpack sprayer
  •  (1) Wand, elbow and nozzle assembly
  •  (1) Steel pump handle
  •  (1) Bag containing tank cap, strainer and extra nozzles

Features + Benefits

  • Tivilon diaphragm effectively handles disinfectants and bleach solutions
  •  High-density polyethylene tank with UV inhibitors for increased longevity
  •  4 1/4in. opening for easier filling and cleaning
  • Commercial shut-off valve with lock-on/lock-off feature minimizes user fatigue and helps prevent waste
  • Four-nozzle assortment handles a variety of spraying jobs
  •  Viton® and Buna seals and Tivilon diaphragm provide superior chemical resistance and a longer pump life
Key Specs
Item# 32385
Brand Solo
Manufacturer's Warranty 1 year Limited Warranty
Ship Weight 11.0 lbs
Tank Size (gal.) 4
Pressure (PSI) 60
Spray Pattern Multiple
Pump Type Diaphragm
Spray Height (ft.) 25
Broadcast Width (ft.) 4–6
Flow (oz./min.) Varies
Hose Length (in.) 48
Wand Length (in.) 20 (28 w/shut-off)
Seal Type Viton, Tivilon, Buna
Repairable Pump Yes
Dimensions L x W x H (in.) 14 3/4 x 8 3/4 x 20

Customer Reviews

Product Question + Answer
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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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Tank Size (gal.) 4 4 4 4 4
Pressure (PSI)
90 90 60 60 35–40
Spray Pattern Cone, fan - Multiple Cone, double cone, fan, shower Adjustable
Pump Type Piston Piston Diaphragm 12V Battery operated
Spray Height (ft.) 20 - 25 25–30 Up to 30
Broadcast Width (ft.) - - 4–6 4–5 Adjustable
Flow (oz./min.) - - Varies 25 1/2 GPM
Hose Length (in.) 47 3/4 48 48 76 48
Wand Length (in.) 20 28 20 (28 w/shut-off) 20 20
Seal Type Nitrile Viton Viton, Tivilon, Buna - Viton
Battery Charging Time (hrs.) - - - 9 3
Repairable Pump Yes - Yes - Yes
Dimensions L x W x H (in.)
18 1/8 x 7 1/2 x 19 3/4 - 14 3/4 x 8 3/4 x 20 15 x 7 x 20 1/2 14 13/16 x 8 13/16 x 22