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SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1

First no leak piston pump sprayer. True 4 gallon polyethylene tank is UV resistant. Wide 6in. mouth for easy filling. Exclusive formula Viton® seals and O-rings resist chemicals 50% better than ordinary Viton. Chlorine compatible. Solvent-resistant pressure chamber. Use for herbicides like Roundup®, pesticides, fertilizers, diesel, stains, sealers, oil, solvent- and chlorine-based (5%) materials. Solid steel pump handle folds for storage. Includes industrial-grade pistol with inline filter, 20in. aluminum wand, 3 nozzles, 42in. hose and padded shoulder straps. Sprayer Type: Backpack, Pump Type: Sealed Piston, Pressure (PSI): 15-150, Tank Size (gal.): 4, Hose Length (in.): 42, Wand Length (in.): 20, Seal Type: Viton Nytril, Repairable Pump: Yes Use for: Herbicides (e.g. Roundup) Insecticides/Pesticides Fertilizers: Chlorine-based Diesel Stains & Sealers Oil-based Solvent-based
Average Customer Rating:
4.62 out of 5
4.6
 out of 
5
16 of 16(100%)would recommend this product to a friend.
Customer Reviews for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
SP2 Sprayer,
November 8, 2009
By MickBuild
from Central California
"I have had several backpack sprayers over the years, the SP2 is by far the best. Good directions, easy to assemble and works great. It is well built and I expect it to last many years."
What is your level of technical expertise? Home Handyman
Review 2 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
Impressed with efficiency,
July 21, 2009
By DawsonKid
from South Carolina
"My first backpack sprayer, after probably two dozen of the hand held variety. It works well and gives a consistent spray pattern. It is easy to use and makes quick work of the task."
What is your level of technical expertise? Home Handyman
Review 3 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
Sturdy & strong,
July 20, 2009
By tgordo49
from Boston, MA
"Note first that I have not had any of the strap/clip problems mentioned by some other reviewers. I think the unit is comfortable to wear and easy to get off; getting it on full takes a good swing of your arm, a high bench, or an assistant, but is manageable.
The unit is well built, well designed, and works like a dream come true. I had no idea that it would pressurize so quickly and easily, due to the inner "super-soaker"-like pressure chamber. It is possible to open the tank and add fluids during spraying without losing the pressure in the inner tank, and the total pressure is enough to stream up two to three stories. Awesome!
"
What is your level of technical expertise? Professional
Review 4 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
Well balanced and light,
July 13, 2009
By John77
from Michigan
"I use this item to clean my homes' asphalt shingles with a dilute bleach and water solution. I have to stand on the roof to reach all the dirty spots from the chimney smoke. I appreciate the light weight of the sprayer and the ability to have my arms free for balance. Its large 4 gal capacity allows me to get the job done with one trip up the ladder."
What is your level of technical expertise? Home Handyman
Review 5 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
Awsome Sprayer,
July 13, 2009
By hotrodder
from Carlisle, PA
"Sprayer works great and much better than my last one I had to carry by the handle. Backpack is great and easy to pump up and holds more."
What is your level of technical expertise? Home Handyman
Review 6 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
Sprayers,
July 13, 2009
By Nader
from Lansing,Michigan
"The Spayer holds up well in a Manufacturing setting. We use them on a regular basis and if cleaned and rinsed out will last a long time. I also like the fact that the replacement parts are easily replaceable..."
Review 7 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
Backpack Sprayer Review,
December 8, 2008
By BCMike
from Boulder Creek, CA
"Sprayer works well. It would be nice to have a pressure release valve on the tank so the pressure can be released when you're finished using it. As it is, you just have to unscrew the lid, which may or may not be easy. Also, three tips were provided with the sprayer, but there's no documentation or marking on the tips what spray pattern or angle they produce. Trial and error seems to be the only approach."
What is your level of technical expertise? Home Handyman
Review 8 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
Ease of use,
November 17, 2008
By LewEv
from Rome, Georiga
"I have used my sprayer several times and really like it. I like the ease of the pump; the amount of liquid it holds; and the ease of the different types of sprayer nozzles it has."
What is your level of technical expertise? Home Handyman
Review 9 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
SP2 sprayer,
October 17, 2008
By Clif
from Louisiana
"I cut grass as a side job, and I must say this sprayer is so much better than any of those one or two gallon pump sprayers I have ever used. It saves you time, both due to the 4 gallon capacity and due to the sprayer output patterns and volume of spray. You get a brass nozzle that adjusts from a cone pattern to a stream. And you get two plastic nozzles that spray a wide fan pattern. This sprayer is heavy duty, it can take a beating if "I" didn't break it yet... and it does not leak. I follow the instructions about rinsing it after use, and putting a light oil on the gaskets.
All this being said, it is a rugged sprayer. However, the reason this sprayer did not receive a perfect 5 star rating is because it is NOT perfect. The clamps that secure the shoulder straps are made improperly, and constantly pop off the sprayer when you try to pick it up or take it off. Not a good thing when you are carrying the weight of a 10 lb sprayer plus 33 lbs of water. I have contacted SP Systems about this known issue, and they offered to SELL me another set of the exact same clamps. Obviously, they have no plans yet to offer improved clamps on this model. I will eventually have to go to a hardware store and buy something to rig this up better, because the straps coming off is really a pain and wastes time when I have many yards to spray. And the whole purpose of owning this thing is that it supposed to save time. Time is money in this business. But don't let this deter you from buying this model, I would buy another, just expect to be on your own when it comes to fixing the strap clamps' shortcomings.....
"
What is your level of technical expertise? Professional
1 of 1 people found this review helpful.
Review 10 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
SP Systems Backpack Sprayer,
August 18, 2008
By Grace
from Seattle
"This sprayer works perfectly. It is comfortable to wear and takes only a few pumps of the pressure handle to create great pressure for spraying. I have used products in this sprayer that would often clog other sprayers, but with the SP2 I've had no problems with clogging."
What is your level of technical expertise? Professional
Review 11 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
SP Systems Sealed Piston Backpack Sprayer,
August 11, 2008
By scagtiger
from Louisiana
"Great sprayer a real time saver. Saves time and energy compared to 2 gallon sprayers; no more stopping to pump the sprayer or constant refils.
This sprayer is surprisingly light and comfortable on your back when full."
What is your level of technical expertise? Home Handyman
Review 12 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
SP2 4 gal Backpack sprayer,
April 21, 2008
By Consistent
from Salt Lake City, Utah
"I have purchased a number of these over the years for our pest control company. They usually last about 9-12 months, (a full season for our business.)
That is putting out about 80 gallons per day, 5 days a week. The pumping action works well, and the adjustable nozzle works for a variety of situations.
The pressure allows us to reach many eaves although anything higher than 20-25 feet is a stretch at best. If the wind is blowing, you might reach 12 feet up.
We clean out our sprayers each night (triple rinse), so there is no chemical left in the sprayer overnite.
I do recommend these sprayers for most liquid chemicals. However, do NOT use anything like Timbor or Nibor in these sprayers, for it will ruin them.
"
What is your level of technical expertise? Professional
1 of 1 people found this review helpful.
Review 13 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
Used to spray trees,
April 14, 2008
By LindaC
from Portland, OR
"Overall, the sprayer is very good. It was able to spray the trunks of trees up quite high, which is what I wanted when spraying infested tree trunks. It also did a great job on foliar sprays for small trees. Did not take as much effort to build up the pressure in the tank as I was expecting.
We have not figured out the shoulder straps yet. When looking up, the straps had a tendency to fall off, but perhaps we just needed to tighten the straps more. Spraying was done by one expert and one beginner.
"
What is your level of technical expertise? Professional
Review 14 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
,
October 17, 2007
By Schmidty
from Kansas
"A very good rugged/reliable spayer. Excellent pumping action."
What is your level of technical expertise? Professional
Review 15 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
5 / 5
5 / 5
SP backpack sprayer,
October 15, 2007
By Scottie
from Rye, NH
"I am delighted with the SP backpack sprayer. Not only is it easy to assemble, but it performs well and makes all these awkward jobs about the yard easy and quick to complete.
The sprayer is user friendly, efficient and reliable. It operated as easily as the advertising says it does and gets at all the difficult to reach areas. I don't consider myself in the least technical but found the sprayer easy to operate, even at the first time of using.
Most appealing feature is that it allows you to complete all these chores at a fraction of the cost of bringing in a contractor.
An added benefit is that the sprayer was delivered well within the time that Northern Tool committed.
I would have no problem in buying another SP product based on my recent experience.
"
What is your level of technical expertise? Beginner
1 of 1 people found this review helpful.
Review 16 for SP Systems Sealed Piston Backpack Sprayer — 4 Gallon, 150 PSI, Model# 01SP2504 1
Overall Rating:
4 / 5
4 / 5
SP2 Backpack Sprayer,
October 15, 2007
By JamesC
from Longmont, CO
"We've used several different brands of backpack sprayers over the years in park maintenance: Solo, Hudson, etc. The SP2 is the first one about which I can honestly say, "It doesn't leak!" That is really important when your people are applying chemicals which can be absorbed through the skin and which may be hazardous to their health.
The weight, capacity, and materials are comparable to previously used brands and models with no appreciable difference. The reliability of these units remains to be seen since we only recently purchased them. But the fact that they truly hold the solution without leakage down the applicator's back means that these are being used. Our maintenance techs had reached the point that they would rather use 2 gallon hand-held units, have to mix spray solution twice as often and carry that weight in their hands than walk around with chemical on their skin and clothes."
What is your level of technical expertise? Professional
2 of 2 people found this review helpful.