Does this work with Arduino?

Yes. Do not do what the user above instructed. This works as a digital switch not a powered switch. Run it from a standard digital pin to ground. digitalRead will come up with a 0 or a 1. Using it with 3.3v and analog input gives you goofy readings and makes the sensor heat-up something awful.

Will this work with the JBJ ato controller?

It should work fine. I am using it in a generic ato.

Can this be used with potable water ? Is it food grade?

Yes, it is completely sealed in plastic. I see no reason for it not to be safe for potable water. I am using it to monitor RO water levels in a storage tank I drink from.

Can you suggest a relay to use with these floats to run a 12v/5A water pump?

I use the twtade ssr-40 and it works great and has an attachment heatsink to prevent overheating. It can handle up to 60VDC @40a. I only have mine opening a 12VDC solenoid for my custom incubator but I'm sure it can handle a water pump. I use the same relay to control 4 heaters to keep it at temperature as well.

6 Pieces Plastic Pp Float Switch Fish Tank Liquid Water

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Description

💧 Stay ahead of the flow with smart, reliable water level sensing!

SAFETY FIRST OPERATION - Low current rating ensures safe integration with relays or contactors
VERSATILE INSTALLATION - Easily switch between normally open/closed by flipping the float
PLUG PLAY CONVENIENCE - Simple setup with 6 sensors included for multi-tank solutions
COMPACT DURABLE DESIGN - Lightweight PP material built to last in diverse environments
PRECISION LIQUID LEVEL CONTROL - Reliable sensing for flawless tank management

The DP5200 6-piece float switch set offers precise liquid level detection with a max 10W contact rating and a wide temperature range (-10°C to +85°C). Crafted from durable polypropylene, each sensor features a 39cm cable and can be easily toggled between normally open and closed states, making it ideal for professional-grade fish tanks or industrial liquid management. Perfect for millennial managers seeking dependable, easy-to-install water level control solutions.

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