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Grundfos ALPHA Constant-Pressure Variable-Speed ​​Canned-Rotor Circulator Pump

ALPHA1L 15-40/130 ALPHA2 25-60N/130 ALPHA2 25-60N/180 ALPHA2 15-60/130 ALPHA2 25-40/180 ALPHA2 25-60/180 ALPHA2 25-80/180

The Grundfos ALPHA constant-pressure variable-frequency canned circulator pump utilizes advanced German variable-frequency technology to intelligently regulate water pressure,ensuring a stable,constant supply around the clock.Featuring a fully enclosed canned design,it operates at noise levels as low as 35 dB and offers a 40% improvement in energy efficiency,making it suitable for underfloor heating,hot water circulation,and commercial water supply systems.
Function
Parameters
Size
Video Introduction

Function

Suitable for:

Commercial heating
Domestic heating circulation
Heating systems

ALPHA is a high-efficiency, variable-speed circulator pump designed for heating, air conditioning, and domestic hot water systems. It is simple, quick, and easy to install and operate.

ALPHA1 L

ALPHA1 L is a high-efficiency circulator pump for heating systems. It can be used as a standalone unit or integrated into existing systems as a replacement or in new heating installations.

Versatile pump suitable for upgrades and replacements
Specifically designed for liquid circulation in heating systems
Operates in ambient temperatures up to 55°C (e.g., when integrated into boilers)

ALPHA2

ALPHA2 is a circulator pump for heating and air conditioning systems. AUTOADAPT continuously adjusts the pump to the system, ensuring optimal performance, low energy consumption, and easy commissioning.

Specifically designed for liquid circulation in heating systems
Compatible with ALPHA Reader for easy hydronic balancing of radiator and underfloor heating systems
World-class energy efficiency; the Energy Efficiency Index (EEI) is well below the ErP benchmark, ensuring significant energy savings

ALPHA2 N

ALPHA2 N is a circulator pump for domestic hot water systems, featuring a stainless steel pump housing. AUTOADAPT continuously adjusts the pump to the system, ensuring optimal performance and low energy consumption.
Features AUTOADAPT functionality to deliver maximum comfort with minimum energy consumption.
Compatible with ALPHA Reader for easy hydronic balancing of radiator and underfloor heating systems
Uses the ALPHA plug for quick, safe, and easy electrical installation.

Parameters

model Voltage/Frequency Flow rate (m³/h) Head (m) Power (W) caliber Remark
ALPHA1L 15-40/130 230V/50Hz 1.5 2.01 4-25 G1  
ALPHA2 25-60N/130 230V/50Hz 1.94 3.28 3-34 G1 1/2 Stainless steel pump head
ALPHA2 25-60N/180 230V/50Hz 1.94 3.28 3-34 G1 1/2 Stainless steel pump head
ALPHA2 15-60/130 230V/50Hz 1.94 3.28 3-34 G1 Cast iron pump head
ALPHA2 25-40/180 230V/50Hz 1.5 2.01 3-18 G1 1/2 Cast iron pump head
ALPHA2 25-60/180 230V/50Hz 1.94 3.28 3-34 G1 1/2 Cast iron pump head
ALPHA2 25-80/180 230V/50Hz 2.14 4.36 3-50 G1 1/2 Cast iron pump head

Size

Video Introduction

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