viadrus u32 firebrick above Regelungstechnik you're choosing a useful accessory

you're choosing a useful accessory for expanding your heating control system

The "8°C Frost Protection" function prevents your rooms from cooling down too much in winter

thanks to its large capacity

⭐ Automatic start of the pellet burner after wood has burned out is possible

viadrus u32 firebrick above Regelungstechnik you're choosing a useful accessoryViadrus U32 firebrick on top Firebrick on top Compatible with the cast iron boiler: Viadrus U32 Why does fireclay deteriorate over time? Due to its high mineral content, fireclay also has a slight disadvantage: it is relatively brittle. Due to prolonged exposure to high heat, it will eventually develop cracks. These are initial signs of wear and tear on the material, but not yet a reason for replacement. Fireclay should only be replaced when parts of