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SPS International Model 100 Triple Function Backpack Sprayer

3.6 out of 5 stars 21 customer reviews

List Price: $249.99
Price: $159.95 + $17.10 shipping
You Save: $90.04 (36%)
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In Stock.
Ships from and sold by Forestry Suppliers, Inc..
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  • Repairable triple function piston diaphragm pump module
  • Pump capable of generating 150 PSI of pressure (working pressure 15-80 PSI)
  • Jet agitation for wettable powders
  • Built-in check valve in the lid to prevent leakage from accidental tipping
  • Complete spray gun with lock pin, brass spindle, filter and grip; comes with 51" PVC hose

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$159.95 + $17.10 shipping In Stock. Ships from and sold by Forestry Suppliers, Inc..


Product Description

Product Description

4-Gallon Triple Function PumpProfessional 4-gallon backpack sprayer is individually water-tested at the factory, ensuring the lowest defect and return rate in the industry! High pressure sprayer features a polyethylene tank marked in U.S. gallons, Imperial gallons, and liters. Other features include large, easy-fill, 6" tank opening with built-in check valve in the lid to prevent spills, ergonomically-designed pump handle which rotates to upright storage position for easy transporting, long-life spray pistol with brass shut-off pin and double O rings, and brass wand. May be used for herbicides, insecticides, fertilizers, stains, sealers, oil-based products, and solvent-based products. Should not be used with acids.Features a patented Triple Function Pump which combines the pressure of a piston with the safety of a diaphragm to offer safety from leaks and spraying pressures up to 150 psi (working pressure 15 to 80 psi)! The sprayer also incorporates a unique agitator that recirculates spray solutions with every pump of the handle, making it ideal for wettable and meltable powders.Designed for durability, the sprayer is easy to use, and it's simple to maintain. Features include an exclusive carrying handle built into the lid; 20" brass wand; wand clips; 47" hose; steel pump handle, base, lever, and hardware; chemical-resistant O-rings and Viton(R) seals; an elbow connector (to prevent hose damage); an agitation hose for wettable powders; and adjustable shoulder straps. The sprayer includes three plastic flat fan nozzles and an adjustable nozzle that goes from a stream to a cone (mist). Pump module is repairable. One-year warranty from the manufacturer.

Amazon.com

The SP Systems SP0 4-gallon 150 psi professional backpack sprayer features the patented triple function pump, which has the ability to agitate wettable powders while providing forceful spraying pressure, all without leaking. The triple function diaphragm pump has two pumping units and a piston to pressurize the sprayer for up to 150 psi. It also comes with heavy-duty polyester adjustable padded shoulder straps, ultraviolet resistant polyethylene tank, Viton seals and O-ring for extended life, a 20-inch brass wand, and adjustable brass nozzle with fanning capabilities. The pumping handle folds against the side of the sprayer while the spray wand clips onto the handle for easy storage. The 4-gallon professional backpack sprayer also includes 47-inches of industrial hose, a solid steel pump handle, pump handle grip, lid carrying handle, pistol grip and filter, and tank mouth strainer that fits onto the 6-inch tank mouth. It is backed by a 6-month limited manufacturer's warranty.

Product Details

  • Product Dimensions: 22.2 x 14.5 x 8.8 inches
  • Shipping Weight: 12 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00008BFRR
  • California residents: Click here for Proposition 65 warning.
  • Item model number: SPO
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (21 customer reviews)
  • Amazon Best Sellers Rank: #42,551 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
  • Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

I have owned this sprayer and used it often for about 2 years. I own and operate a nursey/greenhouse business so I get plenty of use out of this thing. It is far and above the best quality sprayer I have owned. The price may be higher that some other units but as the saying goes "you get what you pay for". This may be a little more than the average homeowner needs but it will outlast anything else you buy.
Week in and week out I spray everything from fruit trees to vegetables with solutions of liquids, wettable powders, and anything else that is required. This sprayer has always performed perfectly. You can generate very high pressures with this sprayer to spray even very tall trees with a little adjustment to the nozzle. I give this unit 5 stars because for the money I don't think you can buy a better sprayer.
Comment 38 of 41 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I have had to retract some of my criticisms. Please read the attached comments.
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Maybe there's something I'm missing, that the other reviewers "get", but I don't, but I have not been as pleased with this sprayer as they have been.

Up front, let me say that as far as spraying things goes, it works well. You can get good pressure and, thus, better dispersal/height than with a smaller portable sprayer. You'll still need a ladder, though, for those mature fruit trees that are semi-dwarf and larger.

What's troubling though are the "ease of use" design issues. First, when the sprayer is sitting on the ground/bench, pumping it causes the pump mechanism to impact the surface it sits on, thus impeding the ability to pump it. Second, the instructions note that you should pump "continuously" while in use. I'm not sure what that means but I can tell you that pumping it, at all, while it's on your back is an exercise in contortionism. The handle sits up high, well behind your left shoulder. Essentially, it can not be functioned with your left hand. You can drop the nozzle and, with your right hand, reach over your left shoulder and pump the unit with several very short-travel strokes, causing unpleasant strain in the latissimus dorsi on your right side.

Finally, and most annoyingly, there are NO liquid level marks on the tank (at least as far as I can find). If you want 2 gallons in the tank, you need to measure into another container first, not from the hose directly into the sprayer.

In conclusion, this sprayer has problems that make me wish I had not spent the money.
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By A Customer on July 8, 2003
Excellent for use with wettable powders, keeps product in suspension with triple action pump. High pressure allows distance desired for application of chemical on trees.
Comment 17 of 22 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I was looking for a sprayer that would handle "Surround WP" a non-toxic micro-particle kaolin clay used to discourage the Plum Curculio from deposing eggs in fruit on fruit trees. This clay is mixed in water to form a slurry that is sprayed on the fruit. The insects can't stand the feel of it, it annoys them so they avoid the areas that are sprayed. Organic gardeners use this to control insects without poisons. I googled this and could find very little information on sprayers that would not clog with wettable powders. My cousin told me about the SP Systems SPO sprayer and said that might work. So I took a gamble and bought this sprayer.

Another concerned was whether pumping up the pressure would be difficult. Some sprayers I tried in the past were a real challenge to your arm strength and a royal pain.

I am happy to report that this sprayer is fantastic and it works flawlessly with "Surround WP". Also, the pump travel is only about 6" and it is so easy to pump, requiring hardly any effort. You do not need to remove this backpack sprayer from your back to pump it. The pump handle sticks out near your left elbow and pumps with an easy downward motion. It pumps up surprisingly fast - a quick 20 pumps and it is ready to go. Not only that, but each pumping action stirs the mixture so the powder does not settle. The directions say to give it a pump every 5 seconds to stir the mixture. I thought that would be a hassle, but it is so easy, and a non-issue.

One thing, for those of us that don't read directions, the directions say to put a light coat of oil on the cover gasket to prevent air leaks. I used a Q-Tip to apply some mineral oil. That worked well - no leaks. This needs to be done each time you use it.

It comes with four different sprayer nozzles.
Read more ›
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Don't buy this sprayer unless you must have the 150 lb. feature!

I have owned a SP sprayer for two years. I have used it to spray roundup. It clogged and I took it apart to repair it. When I put it back together it would not build up pressure and did not work. I purchased new replacement parts. The recommended Kit 12 is very expensive. $28.89 for two "O" rings and two "rubber?" washers. Despite the overpriced replacement parts cost SP also charged a $1.31 Materials Handling Fee and a $5.00 Warehouse Handling Fee. These fees were not mentioned a the time I placed the telephone order. I am buying a new sprayer from a different company.
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