Search  for anything...
SOLO

Solo 475-B-DELUXE 4-Gallon Backpack Sprayer

  • Based on 425 reviews
Condition: New
Checking for the best price...
$113.62 Why this price?
Save $11.33 was $124.95

Buy Now, Pay Later

As low as $18.94 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Hearthshire
Arrives Wednesday, Oct 14
Order within 2 hours and 59 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • Extra large carrying handle with wand retainer for easy portability and storage
  • High-performance diaphragm pump for use with wet table powders, liquid formulations and bleach solutions
  • Durable professional grade brass adjustable nozzle and 4-nozzle assortment
  • Deluxe shoulder straps and waist belt for user comfort
  • Adjustable pressure regulator with four positions: 15, 30, 45, 60 psi
  • Fold-away handle with wand retainers for convenient storage, easily reversible for left or right-hand operation.

Description

The 4 Gallon Deluxe Professional Backpack Sprayer is capable of producing up to 60 psi, with a high-performance connecting rod-actuated diaphragm pump system. The diaphragm is made of top quality material for its resistance to harsh chemicals, including bleach and for its long life expectancy. For spraying large jobs or small it is capable of performing virtually every spray ring task and will easily and effectively handle disinfectants, fungicides, herbicides, insecticides and fertilizers. The 475-B-DELUXE is designed with the ability to pass small abrasive particles without damage to the pump system and may be used with water from wells, lakes or rivers, which may contain sediment. The diaphragm backpack is ideal for handling chemicals in wet table powder form, liquid formulations and bleach solutions. Deluxe features include: Foldaway Handle, for easy storage and transport; Brass and Plastic Adj. Nozzles, for multiple spraying tasks; Deluxe Padded Straps with waist belt, for comfort; Pressure Regulating Valve, provides four pressure settings - 15, 30, 45 and 60 psi; and new carry handle, for easy handling.

Brand: SOLO


Tank Volume: 4 gallons


Color: White


Recommended Uses For Product: Garden sprayer, Pest Control, Chemical sprayer, Fertilizer sprayer


Material: Top Tier


Brand Name: SOLO


Recommended Uses For Product: Garden sprayer, Pest Control, Chemical sprayer, Fertilizer sprayer


Model Name: Solo 475-B-Deluxe


Model Number: 475-B-DELUXE/475-101


Manufacturer Warranty Description: 1 year warranty


UPC: 720343475401


Global Trade Identification Number: 01


Number of Items: 1


Item Type Name: Special Occasion Dress


Manufacturer: Solo, Inc.


Manufacturer Part Number: 475-B-DELUXE/475-101


Tank Volume: 4 gallons


Item Weight: 11 pounds


Item Dimensions W x H: 8.75"W x 21"H


Color: White


Style Name: Backpack


Power Source: Hand Powered


Maximum Pressure: 90 psi


Material Type: Top Tier


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 14

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • USA made
USA made, very good backpack sprayer,
Reviewed in the United States on August 9, 2026 by David
    • Solo is the best you can buy.
Solo makes high quality products made in the USA. The one I just bought is replacing one that I have used for 25 years. Can`t ask for anything better than that.
Reviewed in the United States on June 29, 2026 by elizabeth daughtry
    • Wish I hadn't bought this thing
I'm not a fan of this sprayer at all. It works, but that's where my love for it ends. when you pump it up, the pressure doesn't last long at all, you have to constantly pump the thing. the 15 dollar garden sprayer I had actually worked better, it just wore out my arm carrying it around. This thing holds a lot of liquid, but the shoulder harness is a major source of irritation. I have pretty broad shoulders and the straps keep walking off of my shoulders, putting all the pressure on the edges of the straps. After 1/2 hour of carrying this around, I'm actually sore. It's awful. ================ Edited @ 1yr exactly - lowered rating to 1 star I used this thing a total of 3 times. Just got it out this spring to use it and the module at the bottom of the tank leaked more than came out of the nozzle, soaking my back side and pants with weed killer. DON'T buy this POS ... show more
Reviewed in the United States on June 24, 2015 by V. Richie
    • Good sprayer with a few modifications.
I have a large cattle farm and I have owned many backpack sprayers. Some good, some really bad. It was time for a new one and I was very unhappy with my last one, a SOLO piston sprayer. While the overall quality was OK, the amount of pumping for a piston sprayer is way too much for the spray you get. The diaphragm type sprayers I have had in the past have required way less pumping than the piston type. No more piston sprayers for me. Also I blew out several pistons/o-rings on the SOLO which shouldn't happen. I looked over the different manufacturers and saw a lot of very bad reviews due to leaks, hard to pump and overall failures. I bought this because the reviews were pretty good and it is a top of the line model. You have to be careful buying one because like this one, they come in lots of different quality levels but look pretty much the same. The quality on this is pretty good. Here are the pros and cons: Pros: Ratio of pumping to spraying is good. A few pumps and you spray for a while. Also depends on the tip you are using, the bigger the hole the more pumping you will do. Has lots of pressure. I can spray outbuildings with bug spray about 25 feet up. Not bad for this type of sprayer. They also have a high pressure kit you can get to replace the adjustable pressure valve in the tank. Nice sprayer, good quality, easy to use. The tips that come with it are good and of course it takes standard spray tips available at any lawn and garden place. Looks like it will be easy to service the pump and they list a pump rebuild kit for about 15 bucks. No leaks that I can find. My back finally stays dry !!!!! Cons: The shoulder straps are good and comfortable. The waist strap is a joke. Way too thin and the buckle is almost around the back where you cannot reach it easily. Looks like an afterthought. I replaced it with the waist strap from my old SOLO which was nice and heavy with a big buckle on the front. The pump handle was a little short for me, I am average build 5' 7" 185 lbs. You have to move your elbow back about 4" to grasp the handle for pumping. Not comfortable. I used a piece of metal tubing with a rubber bicycle grip and simply glued it over the end of their handle and extended it about 4-5". Now I can comfortably reach out for the pump handle and pump. After using it several times, I found the shoulder straps keep slipping off my shoulders due to the weight of the unit. I have added an upper strap across my chest to keep the straps together. Now it works fine. Belly strap keeps the weight over your hips not on your shoulders. It almost seems like they never had anyone really try this out for a week and give them feedback. So bottom line it is good unit. I would buy it again knowing full well what I would do to it when I get it to make it fit me. Quality is good, pump operates smoothly with acceptable ratio to spraying and good pressure. Parts are available and reasonably priced. When using it it feels natural and is easy to use. But be prepared to possibly make some changes to fit your body. ... show more
Reviewed in the United States on May 25, 2015 by Gandalph
    • tough sprayer
holds up to commercial use
Reviewed in the United States on November 29, 2025 by MB
    • Great product, shipped on time, would buy again!
Great item, glad for purchase.
Reviewed in the United States on July 8, 2026 by Chuvalo James Truesdell
    • Deluxe isn't worth it.
It works good but don't waste your money on the Deluxe. The arm moves around when your trying to pump it up. It doesn't fold up like it supposed too. I will stick with the original. I use them for Chlorine (Power Washing) and they last about two seasons. I make sure I rinse them after every use to help the seals last. I go through several tips a season. The chlorine eats the tip opening up. The metal tips don't help either. ... show more
Reviewed in the United States on December 20, 2016 by Bill
    • terrible strap system
Didn't like the strap system. filled 1/2 way with water to try it out and the straps pop off on the bottom. Attempted to tie wrap the clips on and after 45 minutes of BS, I said enough was enough. Sorry folks sometimes things are not so perfect.
Reviewed in the United States on September 6, 2026 by Boz Levesque

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...