Vaillant combi boiler Eco Tec Plus 831 - Used
Vaillant combi boiler Eco Tec Plus 831 - Used. i have put pictures with serial number/ part number so you can look up to see if it’s the correct part you require. its only 3 years old so plenty of life left in it. "If you are happy with your purchase, please leave feedback and i will in turn leave it for you"