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9792423/99221442
Grundfos Magna1 100-120F Variable Speed Circulator - 450mm - 230vGrundfos Magna1 100-120F (450) ERP/EUP ready variable speed circulator. The Grundfos Magna1 100-120F (450) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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GR-97924259
Grundfos Magna3 32-120F Variable Speed CirculatorGrundfos Magna3 32-120F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 32-120F (N)is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924268
Grundfos Magna3 40-80F Variable Speed Circulator - 230vGrundfos Magna3 40-80F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 40-80F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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GR-97924269
Grundfos Magna3 40-100F Variable Speed CirculatorGrundfos 40-100F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 40-100F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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GR-97924270
Grundfos Magna3 40-120F Variable Speed Circulator - 230vGrundfos 40-120F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 40-120F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924271
Grundfos Magna3 40-150F Variable Speed Circulator - 230vGrundfos 40-150F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 40-150F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924272
Grundfos Magna3 40-180F Variable Speed Circulator PumpGrundfos 40-180F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 40-180F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924280
Grundfos Magna3 50-40F Variable Speed Circulator Pump - 230vGrundfos 50-40F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-40F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924281
Grundfos Magna3 50-60F Variable Speed Circulator Pump - 230vGrundfos 50-60F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-60F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924282
Grundfos Magna3 50-80F Variable Speed Circulator Pump - 230vGrundfos 50-80F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-80F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924283
Grundfos Magna3 50-100F Variable Speed Circulator Pump - 230vGrundfos 50-100F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-100F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924284
Grundfos Magna3 50-120F 97924284 Variable Speed Circulator - 230vGrundfos 50-120F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-120F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924285
Grundfos Magna3 50-150F Variable Speed Circulator Pump - 230vGrundfos 50-150F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-150F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924286
Grundfos Magna3 50-180F Variable Speed Circulator Pump - 230vGrundfos 50-180F (N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 50-180F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924294
Grundfos Magna3 65-40F Variable Speed Circulator PumpGrundfos Magna3 65-40F(N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 65-40F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Gr-97924295
Grundfos Magna3 65-60F Variable Speed Circulator Pump - 230vGrundfos Magna3 65-60F(N) ERP/EUP ready variable speed circulator. The Grundfos Magna3 65-60F (N) is an energy efficient variable speed circulator which is used primarily for one and two-pipe heating systems. NOTE: THIS PUMP HAS FLANGED CONNECTIONS
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Energy Efficient Products
Energy efficient pumps and products reduce electricity consumption, running costs, and carbon emissions, often paying back their purchase price within a few years of operation. This range brings together high-efficiency circulators, variable speed pumps, and intelligent controls.
What are Energy Efficient Products?
Energy efficient pumping products use technologies such as permanent magnet motors, electronic speed control, and demand-based operation to deliver the required duty with the minimum power input. In heating and boosting applications, savings compared with fixed-speed equivalents can be substantial.
How it works
- High-efficiency motors convert more electrical energy into useful pumping work.
- Electronic controls continuously match pump speed to actual system demand.
- Reduced speed at partial load cuts power consumption dramatically.
- Smart control modes such as proportional pressure optimise operation automatically.
Where are Energy Efficient Products Used?
Domestic Heating
High-efficiency circulators cut household electricity use.
Commercial Buildings
Variable speed pumps trim HVAC and boosting energy costs.
Pressure Boosting
Inverter-driven booster sets hold pressure with minimal energy.
Industrial Systems
Speed-controlled pumps matched precisely to process demand.
How to determine which Energy Efficient Product is the one you need?
Energy Efficiency Index (EEI)
Lower EEI values indicate more efficient circulators under ErP rules.
Motor Technology
Permanent magnet ECM motors outperform conventional induction motors.
Control Capability
Look for proportional pressure, constant pressure, and auto-adapt modes.
Payback Period
Compare running cost savings against purchase price over the pump's life.
Comparing Types of Energy Efficient Products
High Efficiency Circulators
ErP-compliant heating pumps with intelligent control.
Variable Speed Pumps
Inverter-driven pumps across boosting and circulation duties.
Smart Booster Sets
Multi-pump systems with cascade and speed control.
Pump Controls & Inverters
Retrofit drives and controllers for existing pumps.
We Stock Leading Brands
Here at Pump Sales Direct, we supply high-quality energy efficient pumps and products from trusted manufacturers, with expert product support, fast delivery, and manufacturer warranty where applicable.
Related Guides
How Long Can Central Heating Pumps Last & How to Spot Trouble Early
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6 Steps to Choosing a Booster Pump for Seasonal Demand
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Domestic vs. Commercial Pumps
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How to Reduce Water Wastage with Float Switches and Pumps
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FAQs
How much can an energy efficient circulator save?
Replacing an old fixed-speed heating circulator with a modern high-efficiency model can cut its electricity consumption significantly, often by well over half.
What is ErP?
The EU Energy-related Products directive sets minimum efficiency requirements for pumps, expressed for circulators through the Energy Efficiency Index.
Do variable speed pumps really save money?
Yes. Because power consumption falls steeply as speed reduces, running at partial load for much of the time yields substantial savings.
Is it worth upgrading before my old pump fails?
In many cases the energy savings justify early replacement, particularly for pumps that run for long hours.
Are efficient pumps harder to install?
No. Most high-efficiency circulators are direct dimensional replacements for the pumps they supersede.
Troubleshooting your Energy Efficient Pump
Pump display showing an error: Consult the model's fault code table; many faults relate to air, blockage, or supply issues.
Savings lower than expected: Review the control mode; auto-adapt or proportional pressure usually optimises consumption.
Pump hunting or cycling: Check the control settings and system for rapid demand fluctuations.
If your pump is beyond repair, our product experts available on Live Chat can help you find a suitable replacement, alternatively give us a call: 0800 008 6405
