It's quite clear in your response about your system. However, older systems which are many, have much older systems manufactured by Jandy.
I could take one output to drive an relay starter for the filter, one for the cleaner, one for Spa on/off, one for Heater on/off, one for Blower on/off, and one got lights on/off. Everything is just Digital Outputs for, water fountains and anything else.
Plus, it would be nice to have one app for all household products. IE: Nest, WEMO, Liftmaster, NEO and more.
Also the new WiFi from Jandy is quite expensive.