Hi @JDRoberts - you very helpfully outline why this didn’t work with v1 of the hub… but since I have 2 of these overly-priced suckers and a v2 hub, I was wondering if you (or anyone else) knew if they might now work?
The built-in concept of “zone control” isn’t my goal - but I’d like to use the VRCZ4-MRZ as a bunch of buttons to trigger things in SmartThings… including the load that it controls.
I post with my fingers crossed 
Edit for others who come here from a search: the original thread about this has more details, and my post there shows that you CAN get this device to work with ST with some limitations: