The ZEN78 is officially integrated with Hubitat as of 2.4.3.176 release.
The device will be correctly recognized as the Zooz ZEN78 High Power Relay, with access to all of the settings without the need for a custom driver. To access the advanced settings, ensure you're running at least 2.4.3.176 on your hub. Go to Devices > ZEN78 > Preferences tab. You can adjust any of the settings/preferences in accordance with our documentation here:
Once you adjust your settings, ensure you scroll down and click either Save, or Save and Close.

