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gemäß: EN 1254-4
the temperature controller and the safety temperature limiter
Typical module power (W): 320 to 540+
Type 1 (self-closing door)
commercial buildings
Viadrus U22 und U32 Schamottdüse für Tertiärluftzufuhr label-pv-strom gemäß: EN 1254-4Viadrus U22 and U32 fireclay nozzle for tertiary air supply Viadrus U22 and U32 fireclay nozzle Compatible with the cast iron boilers: Viadrus U22 and 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
