Circulation pump ALPHA2 GO 25-40 180 220-240V 9H AD0 93074225

Grundfos ALPHA2 GO circulation pump – efficient heating and hot water

The Grundfos ALPHA2 GO 25-40 180 circulation pump is a reliable solution for circulating heating medium in central heating systems and domestic hot water systems. It will work well in both single-family homes and commercial buildings, providing thermal comfort and optimal energy consumption. The pump's design has been optimized for easy installation and trouble-free operation.

The ALPHA2 GO pump is characterized by high energy efficiency (class C), which translates to lower operating costs. It is equipped with a motor adapted to a voltage of 220-240V, and its connection spacing is 180 mm, which facilitates integration with the existing installation. The pump body made of gray cast iron ensures durability and corrosion resistance. The impeller made of composite guarantees quiet operation.

Application and functionality

The ALPHA2 GO pump is versatile and can be used in various systems:

• Heating of residential and commercial buildings
• Circulation of domestic hot water
• District heating and cooling networks
• Air conditioning systems (stainless steel versions)

Thanks to the built-in frequency converter, the pump automatically adjusts its performance to current needs, minimizing energy consumption and ensuring optimal comfort. Thermal protection protects the device from overheating, and a high degree of protection IP44 ensures safe use even in humid conditions.

Construction and parameters

The pump has a G 1 1/2 inch connection and a maximum head of 40 dm. The mounting length is 180 mm, which facilitates the replacement of older pump models. The maximum working pressure is 10 bar, and the liquid temperature range is from 2 to 110°C. The device meets CE and VDE standards, which confirms its safety and compliance with European standards. Designed to operate with water with a density of 998.2 kg/m³.

Power consumption is in the range of 3W to 21W, which proves the energy efficiency of the device. Insulation class F ensures long-lasting and reliable operation of the pump.