Grundfos Magna1 40-60 F N (220) 98254917 Variable Speed Hot Water Circulator Pump #3884

GRUNDFOS MAGNA1 40-60 F N – Variable Speed Hot Water Circulator Pump (98254917) #3884

This listing is for a Grundfos MAGNA1 wet-rotor, variable-speed circulator pump from the MAGNA1 N range. It is designed for heating and hot-water circulation duties where a high-efficiency, maintenance-free circulator is required, and where a stainless steel pump housing is preferred.

MAGNA1 pumps use a high-efficiency permanent-magnet motor with an integrated frequency converter to automatically adjust speed and reduce energy consumption compared with older fixed-speed circulators. Setup and basic monitoring can be performed using the on-pump interface, and the pump supports wireless access via Grundfos GO Remote.

Condition: supplied as surplus / unused stock. The unit may show cosmetic marks consistent with storage and handling. It is inspected prior to dispatch.
Guarantee: supplied with our 2-year guarantee.

• Pump type: MAGNA1 N wet-rotor variable-speed circulator
• Housing material: stainless steel (N version)
• Connection: DN40 flanged
• Pressure rating for connection: PN6/10
• Port-to-port length: 220 mm
• Electrical supply: 1 × 220–230 V, 50 / 60 Hz
• Motor/control: PM motor with integrated frequency converter
• Communication: Grundfos GO Remote compatible

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 40-60 F N (98254917) – Variant details

Frequently Asked Questions

What does the model number mean?

• MAGNA1 – high-efficiency variable-speed wet-rotor circulator range
• 40 – nominal connection size (DN40)
• 60 – hydraulic performance series / head class
• F – flanged connection version
• N – stainless steel pump housing version
• 220 – port-to-port installation length in millimetres

What does the “N” mean on MAGNA1 N?

N indicates the stainless steel housing version of the MAGNA1 range. It is intended for applications where a stainless steel pump housing is preferred due to the liquid/media, such as domestic hot water duties where corrosion resistance and material suitability are important.

Is MAGNA1 N suitable for domestic hot water / potable water?

The MAGNA1 N range is specifically offered with a stainless steel pump housing for applications where the liquid requires it, including domestic hot water duties. As always, suitability depends on the full system design and local requirements, so refer to the Grundfos documentation for the specific installation and water quality guidance.

Why choose a MAGNA1 instead of a MAGNA3?

The MAGNA1 is intended for users who need a high-efficiency, reliable circulator without advanced BMS features. Compared with MAGNA3:

• MAGNA1 offers simpler setup and operation with lower cost
• Ideal where only basic control modes are required
• Still provides major energy savings via PM motor and integrated drive
• Includes fault relay and digital start/stop input

Choose MAGNA3 when you need:

• Advanced flow estimation and heat-energy monitoring
• Full building management communication (BACnet/LON)
• Multi-pump cascade and advanced control functions

For straightforward HVAC and hot-water circulation where simplicity and efficiency are the priority, MAGNA1 is usually the better value choice.

Is the pump maintenance-free?

Yes. MAGNA1 uses a wet-rotor (canned-rotor) design with no mechanical shaft seal, which significantly reduces routine maintenance and provides quiet operation.

Can this replace older fixed-speed circulators?

Yes — subject to hydraulic duty and connection match. A variable-speed circulator can often reduce energy consumption compared with an older fixed-speed pump, but the correct model and settings must be selected for the system.

About Our Stock

Stock code: #3884
We specialise in supplying quality pumps and equipment. This unit is supplied as surplus stock, inspected prior to dispatch and supplied with a 2-year guarantee.