Wilo Stratos 40/1-4 (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 adapted to system requirements.

Stratos 40/1-4 – adjustable circulation

DN 40 flanged connection, 220 mm installation length. For circulation tasks in larger heating and cooling circuits and heat distribution centers.

Key benefits

• Constant or variable differential pressure: the 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 40/0,5-4 PN 6/10, 2164582: EUR 2,090.95 net. The Wilo Netherlands product page list price excluding VAT; verified: October 3, 2026. A new pump with factory thermal insulation casing; installation and shipping extra, communication expansion module optional.

Comparison price for 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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