Does anyone know what an F.61 code on a 10 year old Vaillant eco tec boiler could be due to? : r/DIYUK
South East Gas Ltd on X: "#Vaillant intermittent F61 & F62 fault fixed today. New PCB. Vaillant specialist http://t.co/yZCX2JQoPw http://t.co/n69JfJ1EY4" / X
Vaillant F61 Fault Code - How To Fix F61 Vaillant Boiler Error Code