Max Hardy on Twitter: "Why is there a top hat and ladder symbol on my boiler? Am I supposed to change into White Tie before touching it? https://t.co/fNZAswCMrf" / Twitter
Handleiding Vaillant ecoTEC plus (pagina 16 van 16) (English)
VAILLANT ECOTEC BOILER. How to use, and change temperatures on the LCD display - YouTube