How Old is My Vaillant Boiler?
Do you know how old your Vaillant boiler is? If you were the one to have it fitted, you can probably remember when that was. But if you have moved into a property that has a Vaillant boiler fitted, how can you tell and why do you need to know?
Find the age of your Vaillant boiler
All boilers have serial numbers. You will find this on the big white label either underneath… Read more