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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
The Plum Gema CONTROL 920 is a weather-compensated heating controller for central heating systems
Display of solar yield
5 kW Spannung 230 V Phasen 1 Phase Anschlussart Netzkabel mit Stecker Anschlussgröße 1 1/2 Zoll Max
Another advantage is the integrated bypass mechanism
Internet module TECH ST-505
Viadrus U22 Schamottstein unten Sensor The Plum Gema CONTROL 920Viadrus 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