The ALPHA2 L is the latest and most innovative member of the Grundfos family of high-quality circulators.
The pump is easy to install and does not have any complicated settings. Simply install and manually set the pump. The ALPHA2 L will automatically adjusts its operation to changes in demand.

Specifications Type 15-60 BP

Water temperature range: 2°C~110°C
Density: 998.2 kg/m³

TF class: 110
Approvals on nameplate: CE, BSI

Pump housing: Cast iron
EN-JL 1020
ASTM A48-25 B
Impeller: Composite, PP

Range of ambient temperature:  0°C~40°C
Maximum operating pressure: 10 bar
Pipe connection: G 1
Pressure stage: PN 10

Power input – P1: 5W~45W
Maximum current consumption: 0.05A~0.38A
Mains frequency: 50 Hz
Rated voltage: 1 x 230V
Enclosure class (IEC 34-5): 42
Insulation class (IEC 85): F

Specifications Type 15/25-40 130

Water temperature range: 2°C~110°C
Density: 998.2 kg/m³

TF class: 110
Approvals on nameplate: CE, BSI

Pump housing: Cast iron
EN-JL 1020
ASTM A48-25 B
Impeller: Composite, PP

Range of ambient temperature:  0°C~40°C
Maximum operating pressure: 10 bar
Pipe connection: G 1 ½
Pressure stage: PN 10
Port-to-port length: 130mm

Power input – P1: 5W~32W
Maximum current consumption: 0.05A~0.27A
Mains frequency: 50 Hz
Rated voltage: 1 x 230V
Enclosure class (IEC 34-5): 42
Insulation class (IEC 85): F

Specifications Type 15/25-60 130

Water temperature range: 2°C~110°C
Density: 998.2 kg/m³

TF class: 110
Approvals on nameplate: CE, BSI

Pump housing: Cast iron
EN-JL 1020
ASTM A48-25 B
Impeller: Composite, PP

Range of ambient temperature:  0°C~40°C
Maximum operating pressure: 10 bar
Pipe connection: G 1 ½
Pressure stage: PN 10
Port-to-port length: 130mm

Power input – P1: 5W~45W
Maximum current consumption: 0.05A~0.38A
Mains frequency: 50 Hz
Rated voltage: 1 x 230V
Enclosure class (IEC 34-5): 42
Insulation class (IEC 85): F

ALPHA2 L to replace an existing Grundfos circulation pump

ALPHA2 L 15/25-40 130 (in line pump)
Replaces UPS 15-40 en UPS 25-40

ALPHA2 L 15/25-60 130 (in line pump)
Replaces UPS 15-50, UPS 15-60, UPS 25-50 en UPS 25-60

ALPHA2 L 15-60 BP (with back panel)
Replaces UPS 15-55 en UPS 25-55

Should your current underfloor heating system be equipped with a different type of Grundfos circulation pump,
you can click here to check which ALPHA2 L can be used as replacement.

Applications

The Grundfos ALPHA2 L is designed for circulating liquids in heating systems. Pumps with stainless steel pump housings can also be used in domestic hot-water systems.

The ALPHA2 L is suitable for;

  • Systems with constant or varying flows where it is desirable to optimise the pump duty point
  • Systems with a varying flow-pipe temperatures
  • Systems where night setback is required

Brand

Grundfos Pumps

 

Grundfos are the global leader in advanced pump solutions and a trendsetter in water technology. They contribute to global sustainability by engineering pioneering technologies Grundfos are perceived by their customers and competitors throughout the world as the leading player in the pump industry. They develop, produce, sell and service the highest quality pump solutions while setting the standard in the industry.

Because of their high standard on innovation, efficiency, reliability and sustainability, Grundfos Grade A pumps are included with all of our water underfloor heating kits. Their solutions help millions of people, partners and customers, moving water where it is supposed to go - bringing heat and comfort around the globe.

 

Buying Grundfos Water Pumps for Underfloor Heating

  • Quick and easy ordering process, via website or telephone
  • Directly supplied by the manufacturer ensuring the lowest prices and great service support
  • Highest European approvals and certifications on all products ensuring quality & reliability
  • UK based technical support service, along with a full CAD design service ensures your total support along the whole design/purchase/installation process
  • Fast free delivery anywhere in the UK mainland
  • A-Rated Grundfos Alpha2L Pumps included in all kits and available for purchase individually
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