Z-Wave JS to Z-Wave JS UI & Device Associations

[br0nd]

I just did this exactly myself. Here is my advice… follow this guide to migrate from Zwave JS to Zwave JS UI

Switching Z-Wave JS Addons with Minimal Downtime! Z-Wave JS (Official) to Z-Wave JS UI (Community)

Introduction This guide describes how to switch from the Z-Wave JS official add-on to the Z-Wave JS UI HA Community add-on, without losing any downtime caused by the re-interviewing of nodes. In this guide, Z-Wave JS UI will henceforth be abbreviated as ZUI. Who is this guide for? This guide is for HAOS add-on users who have already installed the official Z-Wave JS add-on and the companion Z-Wave integration, and desire extra functionality that isn’t provided by HA, such as: Adding and remov…

In my case I am using Zooz dimmers, so I followed their article for configuring virtual 3-way How To Use Multiple Zooz Switches In 3-Way and 4-Way Set-Ups - Zooz Support Center

Hope this helps!