Change 3 way switch to 4 way with smart dimmers

I haven’t been following this thread really closely, but many people use the linear auxiliary WT00Z1 for a virtual 3 way. It’s not a master switch and does not control a load, but it is a Z wave device and communicates to the hub.

You can also use one of the battery powered devices, in particular the Cooper 9500 which looks just like a regular switch.

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