You can buy GWD communication module at your localSeltron retaileror representative.
SeltronHome subscription plans
We’re announcing SeltronHome subscription plans. Pricing will be published by the end of the current heating season. All users can use all the features form the PLUS and ADVANCED plan free of charge until 31 August 2020.
✔Room and hot water heating
Set temperatures, schedule and operation mode.
User function Party, Eco, Holiday.
✔Heating controller notifications
Plan is free for a period of a heating controller lifespan or at least 7 years.
Everything from the Basic plan and:
✔Push notifications for errors and warnings in the controller