help making ato

[arnaldolex]

I need alittle advice I wanna Make my own ato system its not hard I saw a video on you tube all you need is a extension cord black tap plexi glass to hold a float valve a power head and some where to hold water and a return hose so I got everything and the guy said he gets the float valve from eBay it is white with two electrical cords coming out of it I checked on eBay but don't know the name can't find it he said it cost like 6$ but works great its round and white where can I get one like this from

 

[fishman1069]

Try Google and put in float switch. It should come up. I think I paid $10 for mine