Highest psi on your truckmount

Jack

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I think it depends a lot on the wand you are using and what jets you have. I run 500-700 all day every day.
Do you have small jets? Disregard, you already answered the question. Should have read all the threads first.
 
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bob_rugratz

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I will go higher on CGD max 600. Residential 500 max with an 8 flow wand.
On nastys I just prespray heavier and agitate the hell out of it with good dwell
I will go slower clean strokes and really let the flushing and heat work.
Do really slow drystrokes too.
IMO ... don't see bumping PSI up past 500 is beneficial.
Also on a carpet with a thicker pile you could cause some pressure marks that won't be corrected.
We are exactly the same. even 450 on easy jobs.
 

Carlo Pro

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PSI you use on your cleaning it will depends of a lot's of things. Like how soiled is the carpets, do you agitate or not, do you use Jet extensions or not, do you use 1 1/2" or 2" wand, en so on....
 

GregAllen

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What is the highest psi you have gone on your truck mount with a wand I had a bad one today but my phone froze so I couldn't take pics any ways I cranked it up to 600 psi and it came out great I do have fans so the carpet was dry by the time I collected payment
Pressure isn't a major contributor to cleaning effectiveness. Remember: Chemical, Heat, Agitation, and Time. I'd rather err on the 300-400 psi side than risk using so much pressure that the water gets into the pad, extending dry times for your customers.
 

Mac M

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I am mostly at 500psi but I have kicked it up to about 700 on residential. I just do smaller sections at a time. On low cut or olefin I usally drop it to about 350-400 and also about the same if I'm using my RX-20.
 

Jack

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You are entitled to your opinion. Have you ever done it on a bad carpet? If so or if not how did you come up with your opinion?
I can see 700 psi or higher on commercial carpet depending on the type of tool you're using, but you can run into problems with fiber distortion or over wetting on residential with that kind of pressure. If you think you have to use 700 psi, then you probably need to change the chemicals you're using, because they're not doing the job for you, or you're not using them correctly. Do you use a prespray and agitate and let it dwell for a little while before you clean? Are you using tiny jets and need the pressure that high to get the volume you need to flush the carpet properly? I would say you're doing something wrong if you think you need that kind of pressure. Also what kind of water temps are you using?

I'm not trying to be a no-it-all, because there are a lot of things I could still learn after 30 + years of cleaning. I've tried a lot of different things over the years, and I've found that with the proper tools, chems and equipment, 400-500 psi is the sweet spot and anything over that is not necessary and can even be counter productive.
 
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aloha one

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I can see 700 psi or higher on commercial carpet depending on the type of tool you're using, but you can run into problems with fiber distortion or over wetting on residential with that kind of pressure. If you think you have to use 700 psi, then you probably need to change the chemicals you're using, because they're not doing the job for you, or you're not using them correctly. Do you use a prespray and agitate and let it dwell for a little while before you clean? Are you using tiny jets and need the pressure that high to get the volume you need to flush the carpet properly? I would say you're doing something wrong if you think you need that kind of pressure. Also what kind of water temps are you using?

I'm not trying to be a no-it-all, because there are a lot of things I could still learn after 30 + years of cleaning. I've tried a lot of different things over the years, and I've found that with the proper tools, chems and equipment, 400-500 psi is the sweet spot and anything over that is not necessary and can even be counter productive.
I agree with you 100%. Good points made.