The leak detection system for the Apex is compatible with the Apex JR. I have 4 programmable power plugs with the Apex JR. I can tactically turn off the return pump, skimmer, acclimation return and RO topoff. Lights, recirc pumps, chiller water pump, CA RX pump, phosban & carbon pump and Acclimation skimmer, heaters won't be turned off when there's a leak detected.
Lots of trade offs. Even with all the control to shut things down, the alarm and email alert are the most important. Help needs to be on the way as soon as water hits the floor.