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a functional safety valve and an additional circulation pump must be planned to ensure the required minimum flow rate of the separately installed heating cartridge
The robust and impact-resistant polyamide (PA) housing reliably protects against external influences and guarantees the sensor's longevity
Maintenance is also remarkably simple thanks to the well-thought-out design
ensure complete filling and reliable venting
Viadrus U22 Schamottstein unten Wärmepumpe a functional safety valve andViadrus U22 fireclay brick below Viadrus U22 firebrick bottom compatible with the cast iron boiler: Viadrus U22 Scope of delivery; 1x left stone and 1 x right stone 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
