Buderus SE425 110-140 kW

Buderus – premium German heating technology. The brand offers boilers and control solutions for central heating systems.

SE425 – 111–140 kW oil/gas boiler. Based on the specific unit's original data plate, this is the 325-liter steel boiler belonging to the 140 size. For central heating of larger buildings, it can be fitted with a properly sized forced-draft burner.

• 111–140 kW heat output: the nominal range of the specific boiler; the 118.7–151.4 kW fuel input is a separate data point.
• 325 liters boiler water volume: important when designing the system's water content, pump, and expansion.
• Steel boiler construction: based on the factory SK/SE425 material; maintenance and access to cleanable flue gas paths can be planned.
• 4 bar maximum allowable working pressure: the value on the specific unit's data plate.
• For oil or gas burner: the burner type and supplied equipment must be coordinated separately; this does not mean two separate burners or automatic dual fuel operation.

Documentation: 63019245, 03/2000 factory SK/SE425 installation and operation manual, attached to the product in Romanian. The data plate shows AT: 100 °C separately alongside a general 120 °C; this must be adapted to the design and operational location. This boiler is sold; for a similar equipment acquisition, please request our offer. Factory SK/SE425 PDF.

New price – check: 2026.10.06. Searches on wolf-online-shop.de, heizung-billiger.de, and heizungsdiscount24.de did not confirm an identical older-design new boiler with precise equipment. For an exact new price, a custom quote is required including currency, net/gross status, and itemized equipment.

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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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