viadrus u32 firebrick middle front 1 Deher Compact design: The FISH S15

Compact design: The FISH S15 storage unit is space-saving due to its compact design and can be easily installed in small rooms

Caleffi double thermal safety valve ½" opens at 90-100°C

further expanding its application possibilities

5x heel nipples 28x1¼"

thus giving installers greater planning freedom

viadrus u32 firebrick middle front 1 Deher Compact design: The FISH S15Viadrus U32 firebrick center front Firebrick, center front, Viadrus 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