Month: May 2019

NeoHub Mini  https://www.heatmiser.com/en/2019/04/03/opentherm-smart-thermostat/

See the changes of the logo over the years https://www.hpmmag.com/news/vaillant-celebrates-120-years-of-johann

NZPlumber May 2019 edition

Opentherm boilers and controls  https://www.opentherm.eu/