Vaillant · ecoTEC plus Boilers
The heating water in your system may appear discoloured, contain sediment, or metallic particles, or have an unbalanced pH value. These issues can lead to material damage within the heating system.
Click steps to track your progress.
Carefully remove a small amount of water from the heating circuit for visual inspection.
If the water contains sedimentary materials, the system needs professional desludging.
Check the water for magnetite using a magnetic rod; if present, the system requires professional cleaning and corrosion protection.
Measure the pH value of the water; if it's outside the range of 8.2 to 10.0, the system water needs professional treatment.
Ensure that no new oxygen can get into the heating water by checking system integrity and pressure.