Well it works, kinda. When there isn't any water pressure, the air pump in the Karcher stays on. So if you plug in an empty airhose, you hear lots of hissing and not much going on.

So I had to fill the hose up with water. Once that water reached the Karcher, the air pump shut off.

The water pressure was really lacking. Although the Karcher struggled to keep water flowing, the output was severely affected. My next test was to use a 2 gallon bug sprayer to create a pressurized system, and add a garden spigot.


I drilled a hole, then used a Dremel to shave the hole so a standard garden spigot would fit snugly. I used silicone to seal it. It's still drying, so I won't know how it fully works, but my early tests without the sealant--only had a minor leak, and it worked great!

I got high pressure volume, because the Karcher operates at 1.3GPM, I don't have to worry about the flow rate since it's fixed. My next step will be to cut the hose shorter and add on a male hose connector, then I can use it on the new water system.

This bug sprayer cost me $19 from Home Depot. There was a 3 gallon sprayer for twice as much. I really didn't need the fancy accessories they use to justify the price.

So I had to fill the hose up with water. Once that water reached the Karcher, the air pump shut off.

The water pressure was really lacking. Although the Karcher struggled to keep water flowing, the output was severely affected. My next test was to use a 2 gallon bug sprayer to create a pressurized system, and add a garden spigot.


I drilled a hole, then used a Dremel to shave the hole so a standard garden spigot would fit snugly. I used silicone to seal it. It's still drying, so I won't know how it fully works, but my early tests without the sealant--only had a minor leak, and it worked great!

I got high pressure volume, because the Karcher operates at 1.3GPM, I don't have to worry about the flow rate since it's fixed. My next step will be to cut the hose shorter and add on a male hose connector, then I can use it on the new water system.

This bug sprayer cost me $19 from Home Depot. There was a 3 gallon sprayer for twice as much. I really didn't need the fancy accessories they use to justify the price.
Originally posted by gbackus
COOL! Let us know how it works out
COOL! Let us know how it works out

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