Thermia Display kit suits most models of Diplomat and Atria.
This display replaces 086U0150.
After installation in Atira models you need to change the settings to avoid communication error.
Hold left button in 5 secunds to access the service meny.
Then choose-> Installation -> System -> Heat source -> outside air -> brine
Replacement Control Kit for Thermia Heatpump with article number 086L2765