Designer tubular designer radiator Praktikum in the 425×1400 mm format (Black) is a next-generation decorative heating solution built around лаконичний, balanced proportions. Its restrained silhouette and clean tube geometry allow it to blend into classic interiors while still feeling modern and intentional. The radiator warms the space efficiently and supports a comfortable indoor microclimate without turning the wall into a “technical” zone.
This model is chosen when you want understated design with confident day-to-day performance.
Design logic of the Praktikum series
- Extended tubes with flat ends — a neat, architectural rhythm
- 425×1400 format — a compact horizontal line with solid coverage
- Black finish — a strong yet restrained interior accent
- Tubular structure — practical, easy-to-maintain construction
How tubular heating works
Tubular radiators are valued not only for aesthetics, but for how they distribute warmth. Tube spacing supports more even air movement through the radiator body, helping heat spread across the usable area of the room (depending on heat output and system configuration).
Because airflow through the structure is less restricted, the room can reach a comfortable temperature faster compared to more “closed” radiator designs.
Materials and operation
Praktikum is made from high-quality steel and engineered for stable performance in water-based heating systems. The protective coating is resistant to temperature load and everyday humidity, helping the radiator keep its appearance over time. Official warranty — 5 years.
Order
Order the Praktikum Tubular Designer Radiator 425×1400 mm (Black) from WarmCastel. We can help you choose the optimal connection option and confirm compatibility with your heating system. Explore more options in black radiators or browse the full designer radiators collection.







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