HAPPEL–Ziehl-Abegg DKS 350 industrial fan heater

HAPPEL / ZIEHL-ABEGG – premium German ventilation technology. The manufacturer ZIEHL-ABEGG from Künzelsau specializes in air, drive, and control technology.

Industrial air heater with ZIEHL-ABEGG fan. The product is listed as DKS 350, but on the original motor nameplate DAS 350/4 is legible. The exact designation must be adjusted accordingly.

• 380 V, 50 Hz: old three-phase motor, its compatibility with today's power grid must be checked.
• 1370 / 1050 rpm: the motor nameplate shows two operating speeds.
• 0.13 kW: motor data, not the heat output of the air heater.
• IP33 protection: original motor rating; not a guarantee of outdoor suitability.
• Separate heat exchanger identification required: the old device plate markings "SD" and 5 atü are not translated to hot water and bar values without verification.

Documentation and equipment: Exact old HAPPEL and DAS 350/4 factory PDF is still missing. The motor designation is not the type of the complete air heater; the medium, capacity, and pressure limit of the heat exchanger are yet to be clarified.

New price – verification: 2026.10.06. Searches on wolf-online-shop.de, heizung-billiger.de, and heizungsdiscount24.de did not yield a verifiable, exact matching new offer. Custom new offer required with currency, net/gross status, heat exchanger, motor, and control accessories.

Brands available in the ProfiKazán selection

AGRO Forst & Energietechnik, Alfa Laval, Austria Email, Binder, Biral, Buderus, Clima, Delphis-therm, EDER, Elco, Fröling, GEA, Gilles, Grundfos, Grünbeck, Guntamatic, HAPPEL / Ziehl-Abegg, Hargassner, HDG, Heizbösch, Herz, Hoval, Kampmann, Kränzle, KSB, KWB, LOOS, Lopper, Lowara, Mawera, Nolting, ORION / AL-KO, Picopello, Pneumatex, Pollhuber, Prüller, Reflex, Remeha, Ruwac, Schwank, Sieger, Siemens, Spanex, Varem, Viessmann, Wilo, Windhager, Wolf, YORK.

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