How to Use a Super Downstream Injector for Pressure Washing
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- Äas pĆidĂĄn 10. 01. 2012
- Downstream injection introduces chemicals into the system after the pump, so no chemical is run through the pressure washer pump itself. In this demonstration, Micheal Hinderliter teaches you how to use a downstream injector for pressure washing and why you actually need this super downstream injector.
Get the Injector at www.powerwash.com/super-downs...
Get the roll over nozzle valve: powerwash.com/shop/powerwash-....
đŽGet 10% off using coupon code: Injector10. Visit our link here bit.ly/3yxgmWm đŽ
Use the Super Downstream Injector to bypass your pump when applying corrosive chemicals, detergents, or acids to help maintain a longer life on your pump. Works with up to 300 feet of the pressure hose.
Prevent debris from entering the pump by using a Chemical Strainer. Soap enters through the strainer, preventing debris from entering the pump. This is a durable alternative to lightweight soap strainers. The step-down hose barb will attach to either 1/4" or 3/8" hose.
An internal brass weight keeps soap strainer at the bottom of the soap container. It includes built-in stainless steel and Viton check valve to prevent water flow back into the soap strainer.
I hope you enjoy and learn something new from this super downstream injector video. If you have any questions regarding this video and the tools that I have used then feel free to comment below.
I also encourage you to subscribe to my powerwash.com channel to stay tuned for more updates.
You can learn more about downstream injecting in our Power Wash University Power Washing 201 course: www.powerwashu.com/more-about...
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Read more about this super downstream injector for pressure washing and you can also buy it now at www.powerwash.com/super-downstream-chemical-injector-kit.html
Thank you! Finally an expert, with clear examples how it works. Oh... and how to install.
Glad it helped!
Thank you so much. That was the most beneficial video& easy to understand I have viewed on Downstrain injector. Hands down . Right to the point easy to understand. Keep up the awesome informational videos I appreciate it very much as I'm sure thousands of others đ.
Thank you Nicky. So glad it helped you
đŻ
Love your videos on Powerwashing, very educational
Excellent video and clear examples. Thanks so much for this video!
THOSE 2 TIPS ARE COOL AS HELL !!!!!!
Thanks Mike for being so informative on how to properly use a downstream injector and using other various equipment.
You're Welcome
My brother and I are starting off with a 2.5gpm Simpson with a softwash wand, 2 guns and a high pressure ball valve with a 15" Simpson surface cleaner. Hopefully we can work our way up to hang with the big boys.
@@ronaldhall1097 I wish you much success. When you're ready to upgrade your equipment please reach out to us.
Thank you so much! You did the most wonderful job explaining this.
Thank You
Thank you. Very helpful.
Thanks Mike,Being new at the business I am looking at info on my Dewalt system.Thanks for the info.It was basic and helpful.
Thanks for great tips.
Glad it was helpful!
I have 200 feet of hose and as you said it doesn't draw but what I found that works is idling my machine down a bit and it pulls hard enough to collapse the bottle ! Does affect the distance a little but not to much
I really like both tools you explained . I would love to put those items to the test.
Great info đ
Very helpful thank you!
You're welcome!
That is great feedback Billy. Results do vary because of the variables that can affect the draw strength. Thank you for commenting.
Thanks for the informative video!! Great explaination of how the downstream injector works.
Awesome
Does it matter which side the 3/8 plug goes into as long as the arrow is pointed out towards the hose ?
neat idea like the first way better. god bless you!
Where can my friend Roy get them tips?
He just started washing down in South Carolina
I think he love them wand tipsâ€
Holidays are here lol
powerwash.com/ or give us a call at 1-800-433-2113
Can a downstream injector and an unloader be connected at the same time? So a downstream injector wonât work with 150â hose?
Thanks for the video. I think I understand a little better how the venturi works now. And the examples of how back pressure can happen are things I wouldn't have thought of. To overcome the gravity back pressure would you need two sections of hose?Thanks again from Kent, WA
Could you put a downstream injector in line with a garden hose with normal water pressure and have it draw out soap from a bucket?
Where can I get a nozzle like that
could i inject liquid tree fertilizers with your products...
Please put a link to the roll over tip you used. Great info thank you for the video.
Is this the one you want? www.powerwash.com/roll-over-nozzle-head-valve-1-4.html
Here is the other on used in the video www.powerwash.com/double-nozzle-holder.html
Now I understand what the heck is downstream means
It helps to know how it works
will the soap nozzle that comes with the unit work like the one's you demonstrated? just got my pressure washer and cant wait to try it out!! trying to determine what is different
The should
I have a Karcher model G 2600 VH washer. I ordered the downstream injector featured in this video. However, the coupler is to small, 3/8", to fit the outlet tube on my washer. The tube is also for the washer hose fitting. Anybody help?
Thanks much ds with jrod or xjet when needed cool thanks for ds infor wash on brother
So useful thanks. How do you inject chemicals at high pressure? Do you have to use a pump? When you use high pressure with your setup, does some detergent still leak in?
Upstream injection is the way to do soap under high pressure. Here is a link that will show how to set it up czcams.com/video/oUynKqntbm0/video.html
1:10 i think he uses that meter ring to turn off soap/chemical injection and go back to regular high pressure water once hes done soapin/chemical everythin
When I stop pulling the trigger the water then starts going back down into my bucket. Anyone know why? The psi is at 2500.
Hi Mike,
Any tips on how I can get an injector to work with approx 300ft of 3/8 hose?
Move it closer to the end of the hose. Insert at a quick coupler
My question is, if you're using this for say house washing. And you want a certain percentage mix(idk maybe like 2%) how do you achieve that? I don't understand it. If its 1:10 or whatever ratio, how do you get the right percentage? Or do you just guess and check?
If itâs 1-20 the best you can get with 12.5% bleach is like 3/4 of a % SH. With the adjuster valve all the way open. Half open would give you have strength. You just have to calculate the 100% open and calculate a proportion. Google how to calculate a proportion maybe. Iâm still wondering how I can get up to a full 1% strength if you are only able to shoot a 1:20
What will strength be at gun if drawing 20% and using 12.5. Tku
2.5
what do you do with the factory installed injector? is it ok to just leave it?
Yes you can just leave them
is 1 to 20 enough ratio for Bleach to water in order to 'soft wash' a house? or does it need to be like 1/5 ratio. Thanks
You might get by with it on a house wash but it will vary depending on the amount of accumulation.
Have you figured this out yet? 1in 20 sounds pretty diluted. I wonder if you can change the ratio
by putting that down stream injector after the pump, wont it decrease the pressure? Also say you didn't want to use soap at all on a job site, could you tighten/close that metering valve so it wont suck in any air?
You just put a shutoff valve on it.
I got 1 question went you are using the injector
Do you have to have the garden hose running in the pump in order for the injector to start pulling liquid from the injector hose
Hey man, I have a quick question for you. You are way more knowledgeable about this PW stuff than me. I have a 4200 4gpm Honda GX390. My question to you is, how can I downstream through 150' of high pressure hose? It will only draft from shorter hose lengths. I've seen alot of your vids and know you have the same machine. And no way you only use 50 feet of hose. What's the secret?
In the same position as you brother.
Why couldnt you put your injector right before the gun? Say you are doing a tall building and cant get your machine with in 150 foot, but you have a 5 gallon container that you can easily bring to where you are working. Are you going to get a better detergent pull from right next to the gun?
The closer the injector is to the gun, the stronger your mix will be . đđ»
do they have these installments for ryobi pressure washing machines
I don't know
Hi. What is the working pressure of the pressure washer?
In this video it is 4000 PSI at 4 GPM
Sorry for the dumb question i got confused at the "when it comes into the machine itll dilute it"
Does that mean i dont need to have a bucket of Bleach surfactant and water mix to put the hose in as the machine will already dilute it ? So i only put the hose in bleach and the machine will automatically dilute it 50/50 or 60/40. How do you control the ratio.
It is not automatic. You will have to adjust the valve on the injector to get the desired mix ratio.
@@Powerwash but how exactly do you know what % your getting ?
Is this item still recommended being that it is 11 year old video ? Thanks
Absolutely, down stream injectors are very popular
A regular downstreamer can only at most pull 2% of SH, does this super downstreamer pull higher than that?
It is going to be about the same
can you add 2 injectors inline to get up to 1 to 10? or even 3 injectors?
Great question, the answer is no. Only one injector at a time will work.
@@Powerwash how about a dual barb injector? Does it push double the juice?
@@freeagent6203 I have not tested but I believe it will do more I just don't know how much more.
I have this type of down stream injector and Iâm not getting anything. I can drop the injector in water and blow in tube and get air bubbles, and as I close it the bubbles stop. I set it a lowest pressure with a black tip and slot went up in pressure and nothing. Tried it with out a tip and nothing. I have a 4gmp , 4000 psi machine. The injector was listed for 3-5 gmp . Any ideas.
I like the roll over tips, will be ordering that .
Give us a call at 1-800-433-2113. Always happy to help a customer
Where can i get those hose fittings?
so I have a question about which way the injector kit was put on, in the link for the kit, the arrow is pointing towards the open end of the quick connect, meaning the nipple end is supposed to be going into the outlet pump. but in this video you put it on the opposite way with the nipple end into the line for the gun.. can you explain?
did you just swap the ends of the quick connect on the chemical injector?
@@bronzzcolt8479 we may have it plumbed different than you do. The flow of the water is supposed to follow the the arrow. That is how we plumbed it.
@@Powerwash alright thank you, I was just a bit confused because the injector in the description had the arrow facing the opposite way that you put it on. Iâm very new to this stuff so Iâm assuming you can put the quick connect fitting and plug on either end of the injector to ensure the right direction of the water flow. Most of the CZcams videos Iâve seen have the fitting adapter on their outlet where they plug their injector into, but the way you have it set up seems to be what I need.
@@bronzzcolt8479 Glad to help. The injector will not work if the flow goes in the wrong direction.
Do you know which downstream injector I would use for my
10 gpm 3000 psi pressure washer
I will have a 50 foot, 5/8â whip hose from the machine to the hose reel
And 1/2â pressure hose for the first 100â. And 3/8 for the last 150â.
I want to be able to put the downstream injector nearer to the reel on the whip hose. If there is no 5/8 ds injectors. I will reduce to 1/2â a few feet before the reel for the injector placement
I want to inject 2-3%
I as well have another 10gpm unit in my trailer that I am going to siamese with the first one so I can do 5 storey hotels and other high buildings with 20 gpm flow
Any help as to
correct my design
Locate the proper ds injector
Would be fully appreciated
This is a very unique situation. We do sell a 10 GPM 1/2" chemical injector that you could use for this machine. However, the issue is that through 250" of hose, the backpressure on the line will probably be too heavy to get any chemical draw. Your best option to get that kind of draw with that much pressure hose is to either move the chemical injector up through the line so the injector itself has less pressure hose to work with, or to cut down about 100'-150' of pressure hose on the line. If you were looking to order this injector, please give us a call at 800-433-2113 as it is a special order and cannot be found on the website.
What would cause a downstream injector to suck water in vs pulling the chemical? It is not mounted backwards and the ball/spring was just cleaned out with wd40 I'm getting frustrated..
I am not sure I understand the question. How is it sucking in water. It is supposed to draw / suck. Pardon the question but is the draw tube in the chemical solution?
Will the chemicals find a way back into the pump using this thing??
No it will not
My pressure washer already has one of those included.. what does that mean ?
Sometimes the are built in with the unloader. A lot of home owner models are that way. When something goes out you just replace the entire pump assembly
@@Powerwash I think itâs comercial one!! 4000 psi
@@Powerwash I would like to start my own business on this !! I have 2 machines 1 surface and money to invest.. but learn about chemical are killing me!!
How long do those double nozzles usually last?
No way to give you a solid answer. The more you use the shorter the life span, the obvious answer. And other factors will depend on the strength of chemicals used and if your rinsing it out after every use. It will be different for everyone. But if you are fulltime guy using it everyday with average strength product, give 3 to 6 months a year if you take good care of it.
@@Powerwash awesome. Thanks for the reply!
From varying sources, maximum suggested length of hose for the Venturi effect to stop working for a chemical injector is in the region of 10-20m (33-65ft). Iâm not saying these sources are correct, as there is nothing that backs up their conclusions. Your estimate of 150ft (45m) is more than double, which suits me as I have a 30m hose, but I obviously want to make sure. I am about to buy a foam injector actually which I think works roughly the same way but at a slightly higher pressure. The foam gun nozzle has a smaller aperature than a standard detergent nozzle. I canât find anywhere a formula that I can use to calculate maximum hose length using pressure washer specs, nozzle size, hose diameter, hose length etc. How did you calculate the maximum is 150ft?
That is based on experience and recommending a conservative length so the use can be fairly certain it will work. Now I have run up to 300' with some injector but there a varying factors that can impact the distance. I wouldn't so caught up in finding a exact formula. Just be away of averaged and what will impact and you will will find the performance you desire.
That was quick đš. Thanks for your reply. Iâve since found another source saying the same as you, 150ft. Strange how there is differing opinions on this as you would think the science of the whole thing would prevail. Out of interest, are you using a 3/8â high pressure hose or 1/4â? Is your injectors designed and made by you or are they available from other countries. Iâm in the UK.
@@WalterFieldingJr using a 3/8" pressure hose
I use a Downstream injector, when Water isn't going through the gun, the chemical container fills with water, I need to turn off valve on injector to stop water going into chemical container from washer hose. Have I set up something wrong? Is there a problem with the injector? Running back to Machine to turn off valve is not a good use of time and wastes chemical. Thanks in advance.
Yes, the check valve is stuck. If you can unscrew the hose bard you will find a small ball bearing with a spring inside. Clean it and put it back. It should stop this problem. To prevent this from happening again make sure you rinse after every use.
@@Powerwash Thanks very much for your advice.
My husband bought an injector but it does not suck up the chemical, what it does is that the water comes out of the injector hose, what is happening?
You need a check valve on your strainer and it only works with low pressure with the black nozzle. If he is using high pressure it will not work.
is that a direct drive pressure washer
Yes, the one used in this video is a direct drive
I tried this it doesn't work, even with soap tip
Something with you set up is not right or you have a downstream injector that isn't working properly. Check the arrow on the injector to make sure the flow of water is going thru it in the right direction.
Where can I buy one of those double nozzles I want to try out both nozzles
You can buy from our website at www.powerwash.com/super-downstream-chemical-injector-kit.html
Here is a brass dual port www.powerwash.com/general-pump-gp-high-draw-dual-port-fixed-chemical-injector-m-m.html
Here is the stainless steel dual port www.powerwash.com/general-pump-gp-dual-port-stainless-steel-chemical-injector.html
So when youâre spraying it low pressure itâs still shooting out chemicals, whenever you switch it to high pressure itâs still shooting out chemicals correct?
NO HIGH PRESSUE NO CHEMS COME OUT
I want to start a pressure washing business but am unfamiliar with how to properly operate a pressure washer or surface cleaner.
Check out www.PowerWashU.com
Definitely wait and learn. I know a few people who went out and wanted to start buisness not knowing anything and messed up people's houses pretty good.
@@andresaragon3011 Too late. My court date is next week lol
@@lathancram5184 Wait are you serious?! What happened?
@@dustinpeterson4039 Lol nah man I was joking
1:20? Whatâs the point. Lol mine is 20% ans I have another that is 10%
Quick couplers can be found at PowerWash com under the parts tab.
Call Us toll free at 1-800-433-2113 If you have any further questions.
Anyone know where to get those nozzles?
I know, they were pretty cool. I would like to get the switch style.
Hi,
I found it. If you are still looking for them. This link is over nozzle, but you can scroll the page and find the tap style (the first one).
www.powerwash.com/roll-over-nozzle-head-valve-1-4.html
@@michaelc7283 I really appreciate you finding this! You are awesome.
I've been having issues but I think is due to my hose being too long.
How long is the hose?
If your hose is over 200â it will kill the suction. If you have to run more than 200â of hose then use an X jet for that one part of the job.
What is the chemical water ratio when the enjector is fully opened?
When I stop pulling the trigger the water then starts going back down into my bucket. Anyone know why? The psi is at 2500.