Grundfos MAGNA1 32-40 F pump cod. 99221263
Grundfos MAGNA1 32-40 F pump cod. 99221263
Suitable for
Air Conditioning - Commercial Buildings
Heating in commercial buildings
Recirculation of domestic hot water
Home heating
District cooling
District heating
Industrial heating
A simple choice for a job well done. The product has an intuitive user interface, particularly suitable for replacing old circulation pumps. The ideal choice for basic functional needs
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Grundfos MAGNA1 32-40 F pump cod. 99221263
Grundfos MAGNA1 32-40 F Circulator
Product code 99221263
The Grundfos MAGNA1 circulator is the simple option for a job well done. With its high energy efficiency, the product meets the EuP 2015 regulations ensuring significant savings on electricity, and with its intuitive and easy-to-use interface and maintenance-free design, MAGNA1 is the ideal circulator for basic performance needs in applications where basic system control and monitoring are desired. With this range of circulators, everything from setup to control and monitoring Basically, it's simple. The pump is maintenance-free due to the fixed rotor type design. MAGNA1 offers the possibility to monitor the pump via the fault relay output. The digital start/stop input remotely controls the pump . The pump communicates wirelessly with the Grundfos GO Remote app. MAGNA1 can operate as a master pump in both heating and cooling applications, including:
Mixing loop
Heating surfaces
Air conditioning surfaces
Geothermal heat pump systems
Applications for smaller coolers.
MAGNA1 is a single-phase pump and is characterized by having the controller and the operating panel integrated in the control box. The pump body is available in both cast iron and stainless steel versions. The rotor case in composite material is reinforced with fiber carbon, the bearing plate and rotor liner are made of stainless steel, and the stator housing is made of aluminum. The power electronics are air-cooled.
The pump incorporates a 4-pole permanent magnet synchronous motor (PM motor). This type of motor is characterized by greater efficiency than a traditional squirrel cage asynchronous motor. The pump speed is controlled by an integrated frequency converter .
TECHNIQUES | |
|---|---|
Max prevalence | 40 dm |
TF Class | 110 |
Approvals on the nameplate | CE, VDE, EAC, MOROCCO, UKCA, TSERM, UkrSEPRO |
Model | C |
MATERIALS | |
|---|---|
Pump body | Cast Iron, EN-GJL-200, ASTM A48-200B |
Impeller | PES 30%GF |
INSTALLATION | |
|---|---|
Ambient temperature limit | 0 .. 40 °C |
Max operating pressure | 10 bars |
Standard flange | DIN |
Pipe connection | DN 32 |
Operating pressure | PN 6/10 |
Wheelbase | 220mm |
LIQUID | |
|---|---|
Pumped liquid | Waterfall |
Liquid temperature range | -10 .. 110 °C |
Liquid temperature during operation | 60°C |
Density | 983.2 kg/m³ |
ELECTRICAL DATA | |
|---|---|
Power input - P1 | 9 .. 73 W |
Network frequency | 50 / 60 Hz |
Nominal voltage [V] | 1 x 230V |
Maximum current consumption | 0.09 .. 0.59 A |
Protection class (IEC 34-5) | X4D |
Insulation class (IEC 85) | F |
OTHER | |
|---|---|
Energy (EEI) | 0.20 |
Environmental approvals | CN ROHS,WEEE |
Net weight | 7.41 kg |
Gross weight | 8.03 kg |
Packaging volume | 0.016 m³ |
Finnish | 4615313 |
Country of origin | FROM |
Convention rate no. | 84137030 |


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Grundfos Magna1 Circulator: Reliability and Efficiency
The Grundfos Magna1 circulator is an excellent choice for those looking for a device that combines reliability and efficiency. Designed for heating and cooling applications, this circulator stands out for its ability to optimize energy consumption while maintaining high operational performance. Thanks to its advanced technology, the Grundfos Magna1 ensures quiet operation and long service life, making it suitable for both domestic and industrial use.
One of the main advantages of the Magna1 circulator is its ability to self-regulate according to the system’s needs, reducing energy waste and contributing to significant savings in operating costs. In addition, the compact design and simple installation make it easy to integrate into various types of systems without requiring complex structural modifications.
The technical specifications of the Grundfos Magna1 include a high maximum flow rate and a wide temperature range, making it versatile for different applications. The robust construction ensures resistance to corrosion and pressure variations, while the performance monitoring system allows constant control of the operating status. Thanks to these features, the Grundfos Magna1 not only improves the efficiency of the system in which it is installed but also contributes to environmental sustainability by reducing overall energy impact.
Advantages of the Magna1 Circulator
The Grundfos Magna1 circulator is a leading solution in fluid circulation thanks to its energy efficiency and reliability. Designed to optimize energy consumption, the Magna1 is equipped with a permanent magnet motor that minimizes energy losses, ensuring economical and sustainable operation. Another significant advantage is its ability to automatically adapt to changes in system demand; thanks to the integrated intelligent control, the circulator adjusts its speed to maintain the best balance between performance and energy savings.
In addition, the compact and robust design of the Grundfos Magna1 makes installation easy even in tight spaces, making it ideal for both new installations and replacements in existing systems. Maintenance is simplified thanks to the durable construction that minimizes wear and extends the service life of the device. The intuitive display and user-friendly interface allow easy monitoring of operations and settings, further contributing to efficient management.
Integration with building management systems (BMS) also makes the Magna1 particularly suitable for applications in commercial and residential buildings, where the need to coordinate multiple devices is essential to optimize overall plant performance. In summary, the advantages offered by the Grundfos Magna1 circulator not only improve operational efficiency but also ensure significant long-term economic savings, making it a preferred choice among industry professionals.
Technical Specifications and Main Applications
The Grundfos Magna1 circulator represents a state-of-the-art solution in circulation systems for heating, cooling, and domestic applications. Thanks to its innovative technology, the Magna1 offers superior energy efficiency, helping reduce operating costs and environmental impact. This model is distinguished by its ease of installation and maintenance, making it ideal for both new construction and renovation projects.
From a technical perspective, the Grundfos Magna1 is equipped with a permanent magnet motor that ensures quiet operation and long service life. The pump can automatically adapt to the different needs of the system, optimizing energy consumption through the AUTOADAPT function. In addition, the compact structure allows integration in small spaces without compromising performance.
Main applications of the Grundfos Magna1 include centralized heating systems, air conditioning systems, and solar thermal plants. Its versatility also allows use in light industrial and commercial contexts, offering reliable performance in a wide range of operating conditions. In addition, the robust design of the pump ensures resistance to corrosion and long-term reliability.
In summary, the Grundfos Magna1 stands out as an excellent choice for those seeking efficiency and reliability in a circulation system. Its advanced technical specifications and multiple application possibilities make it suitable for meeting various needs, always ensuring optimal results.

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