High PSI pressure washing.

[GSKR]

What is a pressure washer called that you can switch the psi up and down?

idle throttle.Throttle it for max psi,bring it down as little as 80 psi.

[Jeremy1976]

I have a Green Works 1700 psi Electric, and a Generac 3200 psi gas with Honda motor and I will always use the gas!! Just be careful and any paint in question stay away from.

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[Ancient1]

What is a pressure washer called that you can switch the psi up and down?

The black knob in the picture will adjust the pressure from basically the input hose pressure to max of the machine. Mine is rated 3100psi and 2.8 gpm. The picture is of my model and the 4200 psi model is the same way. Most pressure washers that have this style of pump will be the same. I have found the only time I need to turn it down is to start, if it is set to max the pump becomes too hard to turn to let it start on the 1st or second pull. So when I turn it off I will turn it all the way down open the throttle all the way and turn the choke on and shut off the gas so all I have to do to start next time is turn on the gas.

I also use the 40 degree tip which has a nice fan which helps with the rinsing.

[CalSun Detail]

I prefer 2000 anyway. If anything, just have the nozzle further back

I used 2,700 psi when detailing professionally but now use 1,800 psi electric at home. I would gauge my distance with 25 degree tip on the 2,700 and had great performance with it. 1,800 feels like a plastic toy.