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Grundfos ALPHA2 25-60 N 180 Circulator Pump – Stainless Steel – 1½" Connection – 99411424

SKU 99411424
Original price $975.00 - Original price $975.00
Original price
$975.00
$975.00 - $975.00
Current price $975.00

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The Grundfos ALPHA2 25-60 N 180 is a high-efficiency circulator pump designed for domestic heating and hot water recirculation systems. The stainless-steel pump housing makes it ideal for domestic hot-water systems. Its AUTOADAPT function continuously adjusts performance according to system demand, ensuring optimal comfort and minimal energy consumption. Compatible with ALPHA Reader and Grundfos GO Balance app for easy hydronic balancing.

Key Features:

  • AUTOADAPT function adjusts performance to heat demand for comfort and energy efficiency
  • Proportional-pressure, constant-pressure, and constant-curve control modes
  • Automatic night-setback and manual summer mode for energy savings
  • Self-venting and maintenance-free canned-rotor design
  • Active dry-running protection and blocked rotor restart feature
  • Stainless steel pump housing (EN 1.4308 / ASTM A351-CF8) for durability
  • Compact design with integrated control box fits standard installations
  • Supplied with insulating shells to minimize heat loss

Key Specifications:

Product Model ALPHA2 25-60 N 180
Product Number 99411424
Connection Size 1½ inch
Port-to-Port Length 180 mm
Rated Flow 1.94 m³/h
Rated Head 3.28 m
Maximum Head 60 dm
Pump Head Orientation 6H
TF Class 110
Pumped Liquid Water
Liquid Temperature Range 2 – 110 °C
Selected Liquid Temperature 60 °C
Density 983.2 kg/m³
Maximum Operating Pressure 10 bar
Ambient Temperature Range 0 – 40 °C
Power Input Min: 3 W, Rated: 34 W
Mains Frequency 50 / 60 Hz
Rated Voltage 1 x 230 V
Current 0.04 – 0.32 A
Enclosure Class X4D
Insulation Class F
Thermal Protection ELEC
Energy Efficiency Index (EEI) 0.17
Net Weight 2.21 kg
Gross Weight 2.37 kg
Shipping Volume 0.004 m³
Approvals CE, VDE, EAC, RCM, SEPRO
Country of Origin DK
Materials – Pump Housing Stainless Steel, EN 1.4308, ASTM A351-CF8
Materials – Impeller Composite, PES 30% GF + PESU-GF20%

Documentation & Downloads:

ALPHA2 Models B/C/D/E / ALPHA3 Model A / ALPHA SOLAR (Multi-language Label) Download PDF
ALPHA2, Models B, C, D and E (Installation & Operating Instructions) Download PDF
ALPHA2 (Model A) – Data Booklet Download PDF
ALPHA2 Models B, C, D, E – Data Booklet Download PDF
ALPHA2 – Data Sheet Download PDF
Product Part / Accessories Add On:

The Grundfos ALPHA2 25-60 N 180 is a high-efficiency circulator pump designed for domestic heating and hot water recirculation systems. The stainless-steel pump housing makes it ideal for domestic hot-water systems. Its AUTOADAPT function continuously adjusts performance according to system demand, ensuring optimal comfort and minimal energy consumption. Compatible with ALPHA Reader and Grundfos GO Balance app for easy hydronic balancing.

Key Features:

  • AUTOADAPT function adjusts performance to heat demand for comfort and energy efficiency
  • Proportional-pressure, constant-pressure, and constant-curve control modes
  • Automatic night-setback and manual summer mode for energy savings
  • Self-venting and maintenance-free canned-rotor design
  • Active dry-running protection and blocked rotor restart feature
  • Stainless steel pump housing (EN 1.4308 / ASTM A351-CF8) for durability
  • Compact design with integrated control box fits standard installations
  • Supplied with insulating shells to minimize heat loss

Key Specifications:

Product Model ALPHA2 25-60 N 180
Product Number 99411424
Connection Size 1½ inch
Port-to-Port Length 180 mm
Rated Flow 1.94 m³/h
Rated Head 3.28 m
Maximum Head 60 dm
Pump Head Orientation 6H
TF Class 110
Pumped Liquid Water
Liquid Temperature Range 2 – 110 °C
Selected Liquid Temperature 60 °C
Density 983.2 kg/m³
Maximum Operating Pressure 10 bar
Ambient Temperature Range 0 – 40 °C
Power Input Min: 3 W, Rated: 34 W
Mains Frequency 50 / 60 Hz
Rated Voltage 1 x 230 V
Current 0.04 – 0.32 A
Enclosure Class X4D
Insulation Class F
Thermal Protection ELEC
Energy Efficiency Index (EEI) 0.17
Net Weight 2.21 kg
Gross Weight 2.37 kg
Shipping Volume 0.004 m³
Approvals CE, VDE, EAC, RCM, SEPRO
Country of Origin DK
Materials – Pump Housing Stainless Steel, EN 1.4308, ASTM A351-CF8
Materials – Impeller Composite, PES 30% GF + PESU-GF20%

Documentation & Downloads:

ALPHA2 Models B/C/D/E / ALPHA3 Model A / ALPHA SOLAR (Multi-language Label) Download PDF
ALPHA2, Models B, C, D and E (Installation & Operating Instructions) Download PDF
ALPHA2 (Model A) – Data Booklet Download PDF
ALPHA2 Models B, C, D, E – Data Booklet Download PDF
ALPHA2 – Data Sheet Download PDF
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