Grundfos ALPHA2 25-60 N 130 Circulator Pump

The Grundfos ALPHA2 25-60 N 130 circulator pump is a high-efficiency pump equipped with a permanent magnet motor and integrated electronic control, designed for demanding heating and hot water recirculation applications.

The N version features a stainless steel hydraulic body, making it especially suitable for installations requiring enhanced corrosion resistance and compatibility with domestic hot water in closed systems.

Key Features

• Hydraulic body made of stainless steel.
• High energy efficiency with EEI ≤ 0.15.
• AUTOADAPT technology for automatic adjustment of flow and pressure.
• Extremely quiet operation.
• Designed for direct replacement of standard circulator pumps.
• LED display for instant consumption and operating mode visualization.

Operating Modes

• AUTOADAPT: automatically adjusts operation to the system's actual demand.
• Proportional pressure.
• Constant pressure.
• Fixed speed (3 curves).

Hydraulic Data

• Maximum head: 6 m.
• Maximum flow rate: up to 3.5 m³/h (depending on installation).
• Nominal diameter: DN 25.
• Maximum working pressure: 10 bar (PN10).
• Suitable for closed heating and recirculation circuits.

Electrical Data

• Power supply: 1~ 230 V, 50/60 Hz.
• Power consumption: approx. 3–34 W.
• Protection rating: IPX4D.
• Insulation class: F.

Operating Ranges

• Liquid temperature: from 2 to 110 ºC.
• Suitable for continuous operation.

Dimensions and Weight

• Installation length: 130 mm.
• Weight: approx. 2.2 kg.

Recommended Applications

• Radiator heating systems.
• Underfloor heating installations.
• Hot water recirculation in closed circuits.
• Installations requiring high efficiency and long-term reliability.

Installation Notes

• Install according to the indicated flow direction.
• Do not use in open circuits.
• Follow the manufacturer's instructions for mode selection and commissioning.

General Data

• Manufacturer: Grundfos
• Series: ALPHA2
• Model: 25-60 N 130
• Reference: 99411287