Viadrus U22 Schamottstein oben vorne Fotozelle Abgase effizient aus dem Pelletkessel

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Viadrus U22 Schamottstein oben vorne Fotozelle Abgase effizient aus dem PelletkesselViadrus U22 fireclay brick top front Viadrus fireclay brick top front Compatible with the cast iron boiler: Viadrus U22 Why does fireclay break down over time? Due to the large proportion of mineral substances, fireclay also has a small disadvantage: it is relatively brittle. Due to continuous high heat exposure, it eventually develops cracks. These are the first signs of material stress, but not yet a reason for replacement. The replacement of