Wiring a float and relay to protect your ATO pump and more

[Alberta-newb]

Originally Posted by gregzz4

Can you link these ?

I was on EBay the other day and found the sensor from a Canadian seller for $5, it's one of these: http://www.sensortechnics.com/en/pro...-switches/olt/

The solenoid valve was another EBay purchase, I had to go with a "direct acting" valve as I'm using a gravity feed with virtually no pressure. If I was using a pump, the more common diaphragm type would work (requires about 3 psi typically)