Vaillant EcoTECH Pro 24 & 28 Boiler Mainboard PCB Circuit Board Repair – iRefab
A neighbour of mine, an elderly man, recently reached out to me about his Vaillant ecoTECH Pro 28 Boiler. It had stopped working, leaving him without hot water and heating. He contacted a professional who diagnosed the issue over the… Read More »Vaillant EcoTECH Pro 24 & 28 Boiler Mainboard PCB Circuit Board Repair – iRefab