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Old 06-22-2018, 09:25 PM   #1
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Default How to tell GPM on a Pressure washer?

Theres nothing on the washer to GPM... is 3000 PSI, but it hits WAY harder than even the 5000 PSI washer I have used in the past.

a zero tip will etch concrete... itll clean 30+ feet...tear vinyl siding off a house in your not careful.

I have seen this washer bog down if the home owner is using the dishwasher a shower... or a washing machine...

It will totally collapse a 1/2 garden hose something ugly.. it also is a beast of a machine..... over 200lbs... I bought a 1,000lb lift table just to load it on my truck myself...

no idea of GPM but I warn homeowners - no dishwashing, no showers, no washing machine use while we are there.
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Old 06-22-2018, 10:02 PM   #2
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look up the model on the internet
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Old 06-23-2018, 04:20 PM   #3
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Spray it into a bucket and see how long it takes to fill up.
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Old 06-24-2018, 06:52 AM   #4
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Quote:
Originally Posted by Worker Bee View Post
Theres nothing on the washer to GPM... is 3000 PSI, but it hits WAY harder than even the 5000 PSI washer I have used in the past.

a zero tip will etch concrete... itll clean 30+ feet...tear vinyl siding off a house in your not careful.

I have seen this washer bog down if the home owner is using the dishwasher a shower... or a washing machine...

It will totally collapse a 1/2 garden hose something ugly.. it also is a beast of a machine..... over 200lbs... I bought a 1,000lb lift table just to load it on my truck myself...

no idea of GPM but I warn homeowners - no dishwashing, no showers, no washing machine use while we are there.
Go to pressuretek.com "Gauges"
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Old 06-28-2018, 09:09 PM   #5
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Im gonna do the 5 gallon bucket test... wish me luck lol
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Old 07-14-2018, 01:50 PM   #6
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Every pressure washer is rated for a Max PSI. Get the manual if uncertain about your model.

Find the dial on the pressure washer and crank it up to full pressure. Place a line with a magic marker there. (you can buy industrial magic markers that last forever and won't wash out)

Then crank it back to lowest pressure and place a mark. All you have to do next is place a mark in the middle to find the 1/2 pressure. Or place two (2) more marks divide the PW into 25% increments.

So 3/4 pressure of a 3,000 PSI unit is 2250 PSI

Last edited by Mr Smith; 07-14-2018 at 01:54 PM..
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Old 07-14-2018, 04:13 PM   #7
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Quote:
Originally Posted by Mr Smith View Post
Every pressure washer is rated for a Max PSI. Get the manual if uncertain about your model.

Find the dial on the pressure washer and crank it up to full pressure. Place a line with a magic marker there. (you can buy industrial magic markers that last forever and won't wash out)

Then crank it back to lowest pressure and place a mark. All you have to do next is place a mark in the middle to find the 1/2 pressure. Or place two (2) more marks divide the PW into 25% increments.

So 3/4 pressure of a 3,000 PSI unit is 2250 PSI

Interesting. I don't think my pressure washer even has a dial to control the pressure. It has a throttle control to control the engine speed, which is what I've always assumed would control the pressure. I always have the thing set wide open anyways.
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