@Lman Has anyone else tried this with success? Using two kits?

@smarcus3 For some reason, I can do the same with just one (HS210) 3 way installed and all works fine.

@Johnny_Bravo I just bought a new HS210 earlier this month on Amazon. I was able to install just one HS210 on the load side and I got full control and feedback on the app in a 4 way situation. In the...