Just wanted to let you know that I am very pleased with the ATO that you sent me the other day. I love the idea of the pressure switch instead of a float switch that will fail. I did have one problem, as I used an aqualifter pump which would continue to siphon after the pump shut off. I was able to remedy this by poking a small hole in the tubing, prior to it exiting the kalk reservoir. This caused air to enter the system after the pump shut off and stopped the siphon.
:thumbsup:
:thumbsup: