Grundfos MAGNA1 40-80 F Variable Speed Circulating Pump

Description

The Grundfos MAGNA1 40-80 F is a high efficiency, single phase circulating pump designed for heating and cooling systems. With DN40 flanged connections, an 80 dm maximum head and intelligent variable speed control, it helps maintain reliable water circulation while adjusting performance to suit system demand.

Its integrated controller, user friendly operating interface and maintenance free canned rotor design make it a practical choice for domestic, light commercial and trade installation projects. The pump can also provide basic system monitoring through its fault relay and digital start/stop functions.

Key Features

Variable Speed Performance

Adjusts pump output to match system requirements, supporting efficient and consistent circulation.

Heating and Cooling Systems

Suitable for central heating, air conditioning, mixing loops and selected heat pump applications.

Integrated Controls

Built in controls and operating interface simplify adjustment, commissioning and everyday use.

Maintenance Free Design

The canned rotor construction eliminates the need for a traditional shaft seal, helping reduce maintenance requirements.

Simple System Monitoring

Fault relay and digital start/stop functions support basic remote control and monitoring.

High Temperature Capability

Suitable for pumped water temperatures from -10°C to 110°C, subject to system conditions.

Technical Specifications

Product type	Variable speed circulating pump
Manufacturer	Grundfos
Model	MAGNA1 40-80 F
Manufacturer part number	99221303
Maximum head	80 dm / 8 m
Pipe connection	DN40 flanged
Pressure rating	PN6/10
Port to port length	220 mm
Maximum operating pressure	10 bar
Pumped liquid	Water
Liquid temperature range	-10°C to 110°C
Selected liquid temperature	60°C
Power input	17.03 to 267 W
Supply voltage	1 x 230 V
Mains frequency	50/60 Hz
Maximum current	0.19 to 1.18 A
Pump housing	Cast iron, EN-GJL-250 / ASTM A48-250B
Impeller material	PES, 30% glass fibre reinforced
Ambient temperature range	0°C to 40°C
Enclosure class	X4D
Insulation class	F
Energy efficiency index	EEI ≤ 0.20
Approvals	CE, VDE, EAC, UKCA and other regional approvals
Net weight	16.3 kg

Suitable Applications

Central Heating

Provides dependable circulation for larger domestic and light commercial heating circuits.

Air Conditioning

Suitable for circulating water in compatible air conditioning and cooling installations.

Mixing Loops and Heating Surfaces

Helps circulate water through mixing loops, radiators, underfloor heating and other heating surfaces.

Heat Pump and Chiller Systems

Can be used as a main circulating pump in compatible ground source heat pump and smaller chiller applications.

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