Self service car wash on arduino

Hello, everyone. I want to open self service car wash in my city. I have troubles with connecting Arduino and high pressure water pump. Who can give some information about this theme.
IMG_2218

Search for "arduino relay modules". Is that a single or three phase pump?

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Arduinos are not approaved for commercial use like that. If Your car wash damages a car You'be facing costs.

Did your keyboard skip the "not"? For liability reasons I am not answering this question.

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Yes! Bad mistake!

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If you want to use the arduino programming environment then consider getting an open source PLC setup from places like Automation Direct. They have industrial approved hardware.

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