Need Help... Zwave stick and heater control

Configuration Z-Wave
1

Hi

I have a water heater system to heat my house. The manual says its a rf 868mhz system.

https://dl.dropboxusercontent.com/s/2v6lmd65njt5nb5/IMG_20171114_205925.jpg?dl=0(image larger than 3072KB)

Link from seller http://www.elesta-ec.com/presentation_rtu300B.php

How do i connect to my home assisant?

I have raspberry 3 and a zwave usb stick.

Thank you

2

Not with Z-Wave I’m afraid. There’s no current component for RF 868 either.