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Old 23-01-2018, 09:40 AM   #7
OCD Sufferer (Obsessive Car Detailer)
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How long will your hose be from the butt to the PW?
If it's only a short distance, say upto 5m and you bin the plastic water butt tap and put a proper full bore valve on there, I'd think you'd be fine.

If it doesn't work then a pump only needs to provide a little assistance to deliver enough water to the PW

A K2 has less flow therefore needs less water than a K4

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