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As reviewing of customer on site, I see the Campbell Hausfeld PW182501AV 1900 PSI Electric Pressure Washer is the best pressure washer for foam cannon. I hope you get the right one.

With the AR Blue Clean AR118 1,500 PSI 1.5 GPM Hand Carry Electric Pressure Washer, I think it is the best choice for your need and just about $100.

Before buying any gas or electric pressure washer, you should see the comparisons between gas pressure washer vs electric pressure washer in link.

If you want an electric pressure washer with ~2000 PSI and 1.5-1.7 GPM, I recommend 2 best options:
1/ AR Blue Clean AR383 1,900 PSI 1.5 GPM Electric Pressure Washer
2/ Sun Joe SPX3000 with 2030...

I highly recommend for the Sun Joe Electric Pressure Washer Model SPX3000 with 2030 PSI and 1.76 GPM, I have used for 2 years and all is well.