not necessary to change valve if it has black micro switch perhaps consider it if it has the older blue micro switch one
Vaillant TurboMax - No Hot Water but Central Heating OK...
- Thread starter Milton
- Start date
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
