Grundfos Magna 1 32-40F 220 Circulator Pump 240V 99221263 #4830

Grundfos MAGNA1 32-40 F 220 – 240V High-Efficiency Circulator Pump (99221263) #4830

This listing is for a Grundfos MAGNA1 32-40 F 220 high-efficiency canned-rotor circulator pump with DN32 PN6/10 flanged connections and a 220 mm port-to-port length. It is designed for clean heating, cooling and circulation systems where simple setup, reliable operation and energy-efficient variable-speed performance are required.

Condition: supplied in as new surplus condition – the unit has not been installed or used but may show minor cosmetic markings from storage and handling. Guarantee: supplied with a 2-year guarantee.

• Pump type: high-efficiency canned-rotor circulator
• Connection: DN32 PN6/10 flanged
• Port-to-port length: 220 mm
• Electrical supply: 1 × 230 V, 50/60 Hz
• Control: electronically controlled variable-speed operation
• Motor: 4-pole synchronous permanent-magnet motor
• Design: canned-rotor pump with no conventional shaft seal

Need help confirming suitability?
Call us on 01803 220416 for technical advice.

Manufacturer product page

Full technical specifications, curves and documentation can be viewed on the official Grundfos product page:
View Grundfos MAGNA1 32-40 F (99221263) – Variant specifications

Key specifications (summary)

• Model: MAGNA1 32-40 F 220
• Grundfos product number: 99221263
• Electrical supply: 1 × 230 V, 50/60 Hz
• Power input: P1 9–73 W
• Current: 0.09–0.59 A
• Connection: DN32 PN6/10 flanges
• Port-to-port length: 220 mm
• Maximum head class: 4 m
• Maximum operating pressure: 10 bar
• Liquid temperature range: -10 °C to +110 °C
• Pump housing: cast iron
• Motor type: 4-pole synchronous permanent-magnet motor
• Speed control: integrated frequency converter
• Pump design: single-head canned-rotor circulator
• Enclosure class: X4D
• Insulation class: F
• Energy efficiency index: EEI 0.20

Typical applications

• Heating systems
• Boiler and plant-room circulation
• Mixing loops
• Heating surfaces
• Air-conditioning and cooling systems
• Ground-source heat pump systems
• Smaller chiller applications

Frequently Asked Questions

What does the model number mean?

• MAGNA1 – Grundfos high-efficiency circulator range
• 32 – nominal connection size, DN32
• 40 – maximum head class, approximately 4 m
• F – flanged connection
• 220 – port-to-port length in millimetres

Is this suitable to replace other DN32 circulators?

This model uses DN32 PN6/10 flanges with a 220 mm port-to-port length. Where dimensions and duty are comparable, it can replace other DN32 in-line circulators from brands such as Wilo, Lowara and KSB, subject to flange standard, duty point and control compatibility.

The advantage of an electronically controlled circulator is that it can often be adjusted during commissioning to better match the duty of the pump being replaced, rather than being locked to one fixed-speed curve.

What liquids can this pump be used with?

MAGNA1 is suitable for thin, clean, non-aggressive liquids that do not contain solid particles or fibres. Typical uses include heating water, chilled water and clean circulation duties.

Water/glycol mixtures may be used, but glycol concentration and temperature affect viscosity, performance and pump selection. Refer to Grundfos documentation and glycol supplier guidance before use with glycol mixtures.

Not suitable for:

• Liquids containing solid particles or fibres
• Flammable liquids
• Oils or aggressive chemicals
• Sea water or aggressive saline solutions
• Dirty water, wastewater or drainage applications

Does this pump have a mechanical shaft seal?

No. MAGNA1 is a canned-rotor circulator, so there is no conventional mechanical shaft seal.

Why choose MAGNA1 instead of MAGNA3?

MAGNA1 is usually chosen when you need a reliable, energy-efficient circulator with simpler setup and lower cost. MAGNA3 adds more advanced features such as expanded monitoring, energy metering and additional communication/control options.

Can this pump be controlled or monitored externally?

MAGNA1 includes basic control and monitoring functions including fault relay, digital start/stop input and wireless communication with Grundfos GO Remote. Please check the required control functions against your system before ordering.

About Our Stock

Stock code: #4830
We specialise in supplying new and unused surplus pumps. All units are inspected prior to dispatch and supplied with a 2-year guarantee.