Can an extra long hose damage a pressure washer?

I recently bought my first pressure washer, a “Jet USA” brand on ebay costing AU$129. I wanted a longer 10m pressure hose for it and when I contacted the company this was their reply :

" . . We have a response from our parts department.

We don’t recommend using a hose longer than 5m as this places undue strain on the units pump which can damage it."

Can this be true ?

Thank you.

Probably not. But if it does you’re only put $129

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I pay twice that just for a hose​:rofl::rofl:

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A $129 PWer is going to have pretty limited usage. Maybe car washing and kitchen degreasing?

Yes for washing car. Am I in wrong forum for entry level washers ? I thought this was a fairly basic question of mechanics that people with more experience could easily answer . .

I’ll assume this is an electric machine, and it probably just doesn’t have the power to push through more than a few feet of hose.

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Why would you be questioning the people who made the product?

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Yes electric.

Personally I think 5,10 or 20m isn’t going to make much difference on level ground. And I’m at a loss to understand how any pressure reduction along the hose would cause strain and damage to the pump. If anything causes a strain it will be something to do with back pressure on the pump, either lack of or too much pressure and this is what I’m struggling to understand.

My hunch is the cheap company I bought the washer from wants to give me an imaginary reason to stop hassling them for parts they don’t manufacture but I’d like it to be explained to me if I’m wrong. It’s a fairly simple question I’d like an answer to before persuing solutions that don’t involve the manufacturer.

I don’t get your question Steve. You need to be more obvious than that with me. Everyone questions everything when it comes to trying to work something out they don’t understand.

I question everything now, too many times doctors and mechanics try to pass off something on me that is obviously BS.

But like IBS said, if the machine eventually seizes, you’re only out $130, not $1000+ like with a commercial machine.

Very few here have experience with the machines you are talking about. You have the manufacturer’s opinion. At this point it’s a gamble.

Thanks for your thoughtful responses guys. I guess I was looking for a definitive answer to a question of the physics/mechanics of these machines that I thought may be common knowledge in industry circles.

The spare parts chap’s response sounded like a convenient way of excusing his department for not having accessory parts like Karcher who have extension hoses and different length hoses all with standardised fittings for thier equivalent machines whereas this manufacturer has a dog’s breakfast of different shaped fittings that are continually changing and require a photo of which one you have.

I thought I’d get a second opinion before giving up on this machine and getting something with the right genuine accessories.

It’s a spunky little number tho and has good attachments the other others don’t come with so I will miss it. Regardelss of whether I paid $20 for it isn’t the point to me. It was doin all I wanted it to do but for the hose being too short . .

Best wishes and thanks again for your time and input into the fun and crazy world of pressure cleaning I’m quickly becoming an enthusiast for . .