Circulation pump for efficient heating and cooling systems

The Grundfos MAGNA1 pump is a reliable solution for simple heating, air conditioning, and domestic hot water circulation systems. Designed for ease of installation and use, the MAGNA1 combines high energy efficiency with intuitive control. It is an economical alternative to the MAGNA3 pump, while offering advanced monitoring and remote control functions.

Design and application

The MAGNA1 pump features a maintenance-free canned rotor design, eliminating the need for regular inspections. Equipped with an integrated controller and operating panel, it provides easy configuration and control over system operation. It can be used in a variety of applications, such as home heating, cooling systems, domestic hot water recirculation, and in commercial and industrial installations. Thanks to its versatility, it works well both in new installations and in the modernization of existing systems.

Advantages and benefits

• High energy efficiency: Meets the requirements of EuP 2015 regulations, which translates into significant energy savings. The energy efficiency index (EEI) is 0.2.
• Simple control and monitoring: The intuitive user interface makes configuration and operation of the pump easy.
• Remote control: The ability to remotely start and stop the pump using a digital input and wireless communication with the Grundfos GO Remote application provides convenient use.
• Fault monitoring: The built-in fault relay enables continuous monitoring of the pump status and quick response in case of problems.
• Maintenance-free design: The canned rotor eliminates the need for maintenance, reducing operating costs.
• Wide range of applications: The pump is suitable for heating, cooling systems and domestic hot water circulation.
• Durable construction: The pump body made of cast iron GG 20 (GJL-200) provides strength and corrosion resistance.

The Magna1 pump is a solid solution for demanding installers and users who value reliability and energy savings. Its compact dimensions (length 180 mm) make it easy to install even in limited spaces. The maximum head is 12 meters with a maximum flow rate of 5.73 m³/h, and the motor power consumption is 0.188 kW with a rated current of 1.51 A. Protection class IPX4 provides resistance to splashing water. Insulation class F guarantees safe use in various environmental conditions (ambient temperature from 0 to 40°C). Pipe connections with a diameter of 2 inches (50 mm) with a cylindrical external gas thread (BSPP) ensure easy installation in existing installations. The maximum working pressure is 10 bar.