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The Pressure-Pro low pressure 4000 psi chemical suction injector is available for purchase today.

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Pressure-Pro Low Pressure 4000 PSI Chemical Suction Injector

(Based on expert analysis, manufacturer ratings and customer reviews)
4.3 out of 54.3 out of 54.3 out of 54.3 out of 54.3 out of 5
4 Reviews
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  • Accessories
3/8" Snap Coupler (Female)
3/8" Snap Coupler (Male)
Apply Soap At Low Pressure
Increase your pressure washer's effectiveness
Spray soap with a black spray tip

Chemical Does Not Run Through The Pump
Allows for a wider choice of chemicals

Heavy Duty Construction
Durable and long lasting
Includes 4 feet of hose with strainer

Quick Connect To Your Pump
Connect after pump, before 3/8" high pressure hose
Easy to snap on, snap off
4000 PSI maximum at 3-5 GPM
Fixed 20% dilution ratio

Need Help? Call Our Pressure Washer Experts.
Adjustable Pressure
Chemical Injection
Spray Gun
Spray Gun Connection
Accessory Grade
Accessory Style
3/8" Snap Coupler (Female)
3/8" Snap Coupler (Male)
Rated PSI
4000 PSI
Made in USA
1 Pound
Consumer Warranty
90 Days
Download Documents
No documents available at this time
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  9 Questions
Q: What pressure washer does this work with? I'm looking at a karcher k3 follow me since it was a pump.

Couple questions.

1. Does this siphon hose work well? Looks like it has good reviews.
2. Will this work with the k3 follow me? If so do you recommend this PW?
3. Any other pressure washer that can work with a suction hose? I need to pull from a still water source. Thinking of reliance hydroller.


by Patrick from New Jersey on July 10, 2016

A: This is meant to attach to a spray wand that has a female quick connector on the end- so it won't work with the Karcher K3. The filter end goes into a chemical container, and the flow of water picks up the chemical, mixes with it and sprays the mix out through the tip.

Karcher is one of the few brands that will pull from a still water source, Kranzle is another if you're looking for a high-quality unit. This Yard Force unit has it's own water bucket and is handy off-road. You will see them described as "self priming".

This is the Karcher Suction Hose. The video is very informative.

The K3 Follow Me is a good unit for around the house or boat- washing a car or two; cleaning a small to medium size patio, washing off lawn furniture. It's not the best choice for big jobs like cleaning the siding on a large house.

Please remember that the self-priming action depends on a siphon- so you either need gravity from the bottom of a tank (as shown in the video), or if you're trying to pull from a lake you may need to start the siphon by sucking on the hose to get the water started, then adjusting the level of the pressure washer to keep the water flowing.

Neither the Karcher nor the Kranzle unit will "pull" water very far- the closer you can get to the water source the better it will work. If you lose the siphon action, running dry will ruin the Karcher pump, but the Kranzle pump will be fine.

I'm sorry, but I'm not familiar with Reliance pressure washers; we don't sell them.

I hope I've been able to help!
by Brian, Product Expert
Q: Does 20%fixed dillution mean 20:1 if not please explain
by Michael Chace from Massachusetts on July 07, 2016

A: 20% is easier to understand in terms of 5 parts water 1 part detergent solution.
by Brian, Product Expert
Q: Quick connect is what size for male and female
by Marty Vodicka from Missouri on July 05, 2016

A: This is for in between the pump and high pressure hose so quick connect fittings will be 3/8".
by Brian, Product Expert
Q: I am looking to purchase a 3400 psi 2.5 gpm powerwasher. My old one quit. It would not supply chemical very far due to the low pressure on the chemical application side. Is there a chemical applicator that will go on the high side, on the output of the pump, so that I can reach those 2nd story walls? I noticed that this one is recommended for 3-5gpm. Will this one work on a 2.5gpm?
by Robert from Georgia on August 11, 2015

A: This is not what you would be looking for for your application. This is a low pressure chemical injector as well. I have included two links for you, for your options for high pressure soap. These will both attach to the end of the lance where the colored spray tips usually go. This will also allow you a wider choice in chemicals as nothing will be running through your pressure washer equipment.
Soap Shooter
by Brian, Product Expert
Q: Does this attach to the end of the hose or directly to the discharge side of the pump?
by Scott Haviland from New York on May 19, 2015

A: It uses quick connect fitting and will go in between your high pressure hose and pressure washer pump.
by Brian, Product Expert
Q: What are the main advantages to having a high pressure chemical injector vs. low pressure. Is it just the dilution ratio? I have a Maxus 2500psi pressure washer are there any high pressure injectors that I can attach to the output of the pump?
by Scott Haviland from New York on May 17, 2015

A: Low pressure ensures the detergent sticks to the surface but the stream is usually not very far vs. high pressure which can just bounce off. However, high pressure would be fine for far away applications such as a second story you would need the extra power to reach the detergent to those locations.
by Brian, Product Expert
Q: How do you use the Injector. I am not getting any suction.
by Franklin Sardina from Florida on March 12, 2015

A: The black spray tip needs to be on the end of the lance in order for it to tell the pressure washer you want to siphon the detergent. Also, make sure you have opened the black mesh screen on the end that goes into detergent. If those two things do not solve your problem, please give Pressure Pro a call for additional troubleshooting at (772) 461-4486
by Brian, Product Expert
Q: What is the minimum water flow required for this to siphon?
by James from Florida on June 02, 2014

A: This only works properly when used with 3-5 GPM.
by Brian, Product Expert
Q: I'm looking for a downstream low pressure injector with a ceramic ball thet is OK for chlorine bleach.Do you know of any?? Thanks.
by Ralph Fowler from Louisiana on April 02, 2011

A: You could absolutely use this chemical injector for your task, however, you will have to worry about the chlorine bleach drying out your hose and gun o-rings. This injector attaches to the discharge outlet on your pump, then your hose connects to it.

We carry a high pressure soap injector that can be attached at the end of the wand which would prevent any damage to your hose and gun. I'm posting a link below to the product I am referring to for you to look at:

General Pump Soap Shooter Nozzle
by Brian, Product Expert
Pressure-Pro ACI005 Reviews & Ratings
4 Reviews  Sort by 
Paul R.
Baldwin Park, CA
Purchased from Pressure Washers Direct
Purchased 5/6/16
Most Helpful Positive Review
5 out of 55 out of 55 out of 55 out of 55 out of 5
Worked Perfectly
Easy to install and worked great.
Paul Recommends This Pressure-Pro Product
Was this review helpful?
Earl E.
Silver Springs, FL
Purchased from Pressure Washers Direct
Purchased 9/7/15
Total Reviews
2 Reviews
4 out of 54 out of 54 out of 54 out of 54 out of 5
Update On Injector
Without delay a person of knowledge has contacted me from Pressure Washers Direct and after a couple questions cleared up the issue.

I have a DeWalt, and the injector won't pick up as it's a directional injector, meaning the quick connects are set up for a different brand (Generac)- so to fix the issue just switch the connectors around and the flow will be going in right direction.

However, I have not done this yet, but it makes sense though; and the fella from Pressure Washers Direct... more
Earl Recommends This Pressure-Pro Product
Brian, the Pressure Washer Expert
Product Expert
We are always happy to help!
Earl's Experience With Pressure Washers Direct
Web Site


"I am happy to see Pressure Washers Direct have concern for their customers. At first I felt customer service was gonna give me run around and shuffle me with fees and such just to return product, but to my surprise a person with knowledge and good experience called and fixed whole situation with a couple knowledgeable questions and had the right solution to the problem. Thank u sir... I'll be buying more as I'm starting a pressure washer business and this fella saved a customer."
Brian, the Pressure Washer Expert
Product Expert
You are very welcome! Best of luck with your new business- we'll be here to help whenever you need us.
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Torry S.
Columbia, SC
Purchased from Pressure Washers Direct
Purchased 3/9/15
3 out of 53 out of 53 out of 53 out of 53 out of 5
Won't Suck
I connected the injector to my Dewalt 3800 psi 3.5 GPM and I wouldn't draw detergent
Torry Does Not Recommend This Product
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Charles H.
Shaoleigh, ME
Total Reviews
2 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
Plenty Of Power
My Pressure-Pro E4040-hce-htqbs works very well.

I have done many decks and a few homes. It was easy with the extended pole for 2nd & 3rd floor cleaning and two 50 ft. pressure hoses.

The Honda motor starts every time since I have the model with electric start (the only way to fly).

It has plenty of power w/ 4000 PSI. It even takes paint off, but be careful or it will eat the wood too! I am very happy with my choice of washers and motors.

A good, powerful motor is the key for... more
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