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SG 20

A manual backpack sprayer for professionals that maintains constant pressure.

SG 20
SG 20 is rated 3.1 out of 5 by 88.
Rated 1 out of 5 by from Wasn't working out of the box My brother bought this and let it sit on the shelf for a couple years before I bought it from him. Out of the box the pressure reservoir isn't working and will cost as much to fix as to just buy a new one. It's our own fault for not using it earlier but I thought Stihl had a better quality than this, very disappointed.
Date published: 2019-06-17
Rated 4 out of 5 by from Seems like a nice unit. Wish reserve tank was larger. The sprayer seems to be well built. Builds good pressure quickly, the heavy duty Continental hose should last a long time, and the nozzle is impressive too.Assembly is simple, and maintenance is easy and reasonable. My only gripe is the unit doesn't stay pressurized for long during use. Upon reading the summary of the unit, I had assumed I could pump it and use it for a few minutes before having to pump it again. If you want good flow, you are going to have to pump it constantly. This makes use rather fatiguing.
Date published: 2019-06-15
Rated 1 out of 5 by from Don't do it I bought this sprayer last year. I wanted a quality sprayer and bought the Stihl name. Sprayers aren't chainsaws. I used the sprayer only once last year. I just tried to use it again and the pump won't build any pressure. This product has a bad rating for a reason.
Date published: 2019-06-10
Rated 3 out of 5 by from This product was made cheap. I would not recommend. I purchased the SG20 4 years ago, the first two years it worked great however last year the shaft cracked and broke. I took it to my Stihl dealer and he fixed it, unfortunately it wasn't under warrant. Now going into my forth year of use and the pump won't hold any pressure. So once again ill have to have another major part replaced. Other complaints I have with this sprayer are the flimsy wand and the hose tends to kink near the pistol handle. I use the spray 5-10 times each summer and clean it out after each use so it hasn't had a hard life. Stihl makes some really good products just wouldn't recommended their sprayers.
Date published: 2019-06-05
Rated 5 out of 5 by from Purchased 5/30/19. First time use of a back pack sprayer. One acre 500+ weeds w/ 4 gls on first use. Purchased today 5/30/19. Admittedly read most of the instructions. Adjusted on back while empty. Ran a gallon of water through it. Checked for leaks. Put a drop of machine oil on the pump piston. Adjusted straps. Put 4 gls water and added herbicide. Set the sprayer on a 48" shelf. Much easier to put on a full sprayer that way. Sprayed one acre. Probably 500+ weeds/sprays. Sprayer worked flawlessly. Make sure all parts are finger tightened properly before use. I thought it was comfortable even while full. I am 60 and have back problems that I deal with daily but use of this Stihl was almost as easy as a hose end sprayer. Much easier than hauling a 2 gallon hand held sprayer all over the yard.
Date published: 2019-05-31
Rated 1 out of 5 by from Don't waste your money Firstly, I have a long time love affair with Stihl products. I bought this sprayer for it's perceived quality. WOW, was I wrong. This thing is horrible. My Stihl dealer will repair it, it will work once and that’s it. I follow all of the instructions...cleaning it, etc. I’m so sick and tired of loading it up with expensive aquatic herbicide only to have the thing not work. Don’t waste your money on this sprayer. It’s been such a piece of junk and has me so irritated that I’m thinking of abandoning Stihl altogether and going with another brand.
Date published: 2019-05-20
Rated 5 out of 5 by from Excellent so far Adjustable spray tip helps spray threw 4 gallons fast. Strong . Would recommend
Date published: 2019-05-11
Rated 3 out of 5 by from inferior plastic screw fittings Good sprayer, but has one MAJOR flaw. The plastic nuts that hold wand together: Spray tip,etc. are junk!!! They break easily.
Date published: 2019-04-15
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