Gunnerm1

Agree that the Whisper Wash is all you need. You will need to size your tips according to your machine. I have an 8 GPM machine and use 4 , 2 GPM tips. My cleaner will clean as fast as you care to walk.

Thanks Tony, Guy, and Rod. I took a bit off all of your advice and ordered a 3 to 5 GPM injector, and an M jet 13. Ill try to downstream with the small injector, and if that doesn't work it'll be back to the bucket carry, but with a really awesome M jet. I had been throwing chemical up with an Super Sud Sucker, attached to a ball valve. I used a ball valve to vary the flow as needed. Kinda like an M Jet. Last week my Super Sud Sucker started to fail. Just goes to show, there are numerous ways get chemical on the house

Ill give that a whirl and see what happens. Thanks

In my last post I mentioned that I was going to give downstreaming another try. Well I did, earlier today as a matter of fact. I used a brand new injector that came with my 8 gallon machine, which is matched to the machine. I know I set eveything up right. I Dropped the pressure down with a black chemical tip, and very little soap and bleach made it to the business end of my wand. I used straight 6% bleach. I went over lightly molded siding several times with little to no effect. I could tell I was getting some soap, it was drawing, but just not near enough to get any real work done. I switched back to my x-jet and got the job done. I think the main factor is my length of pressure hose. I carry 250 foot of hose on my reel. I need almost all of at at least 1 out of every 5 jobs. I dont want to shorten my hose. I guess Im just destined to carry a 5 gallon bucket. Im all ears and open to suggestions. Thanks in advance. On a side not I just recieved my order from Pressure Tek. Super fast shipping. I ordered Simple Cherry, F-13, and his low pressure tip kit. I have used Dawn for years, but going to give Cherry a try. Lets hope Simple Cherry works as great as it smells.

Up until recently I had always used a separate trailer mounted 12 Volt chemical pump, tank and a yellow chemical hose to apply chlorine. The pumps themselves are relatively sturdy however I found that the pressure switches fail every few months. I found a cheap source of replacement switches on E-Bay. The biggest headache was that I found myself constantly fighting corroded fittings, and lances that were completely clogged with rust. On a regular basis, I would arrive on a job, pull my chemical hose, and find that I had little to no pressure. Then I would have to find the clog. Sometimes it would be a clogged lance, sometimes a clogged valve, sometimes the pressure switch would have failed. It is just a major pain. So I ripped that crap off of my rig, pulled out the old x-jet, attached 60 foot of hose, and dropped the end in a bucket. I will never go back to a 12volt system. I attach quick connects to the X-Jet, and snap it on the end of my ball valve. With a male quick connect acting as my spray tip, I can adjust the flow with my ball valve and apply chemical and soap about 3 stories high. If needed, I attach my extension pole to reach higher. I find that the added water volume of the x-jet helps to agitate the dirt and mold. It is truly like a cross between softwashing and pressure washing. I do like the idea of downstreaming, after all who likes lugging a bucket around. I think I will give that another try. I could not get it to draw the first time I tried it.

Hello. Buying a new machine. Over the last 10 years I have plumbed two 4 at 4 machines together to get a grand total of 8 GPM at 4000 psi. Im tired of the issues associated with plumbing two machines together. Im debating on a 10 GPM at 3000 PSI VS. an 8 GPM at 3500 PSI. This machine will be for flat work only, to clean your average residential type driveway. I have a HydroTek hot water machine for gum and oil jobs. What is your opinion?

I really appreciate the good advice. I was leaning toward the 8 GPM machine, and you guys just confirmed my thoughts on the subject. I will purchase the 8GPM. As far as Tony’s question in regards to issues associated with plumbing two machines together. Plumbing two machines together has worked very well over the years, however, there are a few disadvantages. When running two machines to run one surface cleaner you have twice the chance that a mechanical problem will shut you down. You need three jumpers hoses and two backflow preventers all of which can fail and have failed on me at some point in time. There is just more moving parts, hoses, and connections to worry about. One machine will simplify the process a bit. I’m just ready to have one machine do the job of two. I guess it is just a matter of preference. But for anyone thinking of plumbing two machines together because that’s what they have to work with, go for it. You can take two relatively inexpensive machines, and clean the heck out of some concrete.