Grundfos ALPHA1 25-40 180 circulation pump

Grundfos – premium Danish pump technology

Originating from Denmark Grundfos has been developing pumps since 1945. The premium Danish brand's heating circulators prioritize simple operation and performance tailored to system requirements.

ALPHA1 25-40 180 – easily adjustable heating circulation

180 mm installation length, G 1½ connection electronic circulation pump for radiator and underfloor heating circuits.

Main advantages

• Built-in differential pressure control: pump performance adapts to the changing demands of the circuit.
• Constant and proportional pressure: operating mode can be selected to suit the system.
• Three fixed characteristic curves: simple setting for constant speed applications.
• Built-in motor protection: can be used without separate external motor protection according to manufacturer specifications.

Important technical data

• Installation length: 180 mm.
• Power supply: 1 × 230 V, 50/60 Hz.
• Maximum operating pressure: 10 bar.
• Permissible media temperature: +2…+110 °C.

Verified new device price

ALPHA1 25-40 180, 99236214: 294.20 EUR gross, including VAT. Dealer price source, verified: October 5, 2026. The offer applies to a new pump and thermal insulation shell; shipping and installation are separate.

Technical source: Grundfos ALPHA1 installation and operating instructions.

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.

Heating systems and related equipment in one place

Categories in our catalog: Parts, Chip feeders, Wood chip boilers, Wood gasification boilers, Gas boilers, Steam boilers, Heat exchangers, Heat pumps, Infrared heaters, Industrial vacuum cleaners, Industrial cleaning machines, Warm air boilers, Hot water storage tanks, Measuring instruments, Oil boilers, Pellet boilers, Pumps, Expansion vessels, Fan heaters, Multi-fuel boilers, Controls, Water treatment.

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