
Demir Sun towel radiator model 20 tubes , Iran
The Demir Sun towel radiator model 20 tubes features a modern vertical design constructed from stainless steel with a tube thickness of 1.2 mm. It includes 20 horizontal tubes with a 25 mm diameter, precisely welded to two vertical collectors. The working pressure is 8 bar, and the test pressure is 10 bar, ensuring durability and safety in heating systems. Its nominal heat output under 75/65/20°C conditions is approximately 560 watts. The surface is coated with white electrostatic powder paint RAL9016, providing strong resistance against humidity, steam, and corrosion. The compact and lightweight design makes it ideal for bathrooms, kitchens, and humid environments.
The Demir Sun 20-tube model measures approximately 100 cm in height, 50 cm in width, and weighs around 7 kg. The 1/2-inch inlet and outlet connections are located at the bottom, compatible with most wall-mounted boilers. Adequate spacing between tubes ensures efficient heat transfer and fast towel drying. Manufactured under the European EN442 standard, this radiator offers high performance, silent operation, and long-lasting durability for modern home applications.You can order and buy Demir Sun towel radiator model 20 tubes from Iran by contacting us through whatsaap and email.
WEBSITE: Demir Sun towel radiator model 20 tubes Iran
Common Issues of Demir Sun 20-Tube Towel Radiator and Their Solutions
The Demir Sun 20-tube towel radiator may experience reduced heating due to improper installation, incomplete air venting, or low system pressure. Reduced heat output is often caused by trapped air in the upper pipes and can be resolved by opening the air vent valve and adjusting the pressure to 1–1.5 bar. Leakage at the joints is another common issue, usually caused by poor sealing or insufficient Teflon tape, and can be fixed by re-sealing the fittings. Surface corrosion may occur if the electrostatic coating is damaged and should be repaired using fine sandpaper and moisture-resistant paint. Unusual noise inside the radiator typically results from irregular flow or sediment buildup, which can be resolved by flushing the system and adjusting pump flow.

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