Wilo Stratos 50/1-12 (DE) circulation pump

Wilo – premium German pump technology

Operating since 1872, the premium German manufacturer Wilo specializes in heating, cooling, and water technology pumps. Its electronic circulators support operation adaptable to system demands.

Stratos 50/1-12 – adjustable circulation

DN 50 flanged connection, 280 mm installation length. For circulation tasks in larger heating and cooling circuits, and heating stations.

Key benefits

• Constant or variable differential pressure: operating mode can be adapted to the network.
• Electronic power control: circulation can be adjusted to the load.
• Single-button local operation: easily accessible settings.

Important factory data

• Power supply: 230 V, 50/60 Hz.
• Maximum operating pressure: 10 bar.
• Medium temperature: −10…+110 °C.
• Energy efficiency index: EEI ≤ 0.20.

Documented new model comparison

Stratos MAXO 50/0,5-12 PN 6/10, 2164589: 5,004.06 EUR net. The Net list price from Wilo's Dutch product page; verified: October 5, 2026. A new pump with factory thermal insulation casing; installation and delivery separate, communication expansion module optional.

Comparison price of a newer, different MAXO model. Technical source: original Wilo type datasheet; factory Stratos manual.

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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