2.2kW Variable Speed Drive Booster Pumps
VFI8-40 & VFI12-40B – 2.2kW VSD Booster Pumps
The VFI8-40 and VFI12-40B are 2.2kW variable speed drive booster pumps designed to maintain stable water pressure for homes, lodges, complexes, estates and commercial buildings.
These pumps use variable speed drive technology, also known as VSD, VFD or inverter control, to automatically adjust motor speed according to water demand. This helps maintain constant pressure while reducing unnecessary power usage.
VFI Series 2.2kW Variable Speed Drive Booster Pump
Applications
- Residential homes
- Lodges and guest houses
- Complexes and estates
- Commercial buildings
- Industrial clean water boosting
Key Benefits
- Constant pressure as water demand changes
- Energy efficient variable speed operation
- Soft start and stop to reduce water hammer
- Stainless steel wet-end and impellers
- Pressure gauge and digital pressure display
- Compact booster pump design
Performance Curve Comparison: VFI8-40 vs VFI12-40B
The curve below compares the VFI8-40 and VFI12-40B 2.2kW VSD booster pumps. This helps select the correct pump according to the required flow rate and pressure.
Specification / Price
Model VFI8-40
- Power: 2.2kW
- Input Power: 220V / 380V, 50Hz
- Max Amps: 9.6A
- Inlet and Outlet: G1 1/2 inch
- Max Rated Pressure Setting: 6.5 bar @ 67 l/min
- Minimum Rated Pressure Setting: 3.4 bar @ 165 l/min
- Diaphragm Pressure Vessel: 4 litre
- Pressure Gauge and Digital Pressure Display
- Stainless Steel Wet-End and Impellers
Model VFI8-40: CURRENTLY OUT OF STOCK
Model VFI12-40B
- Power: 2.2kW
- Input Power: 220V single phase, 50Hz
- Max Amps: 9.6A
- Inlet and Outlet: G2 inch
- Max Rated Pressure Setting: 4.7 bar @ 116 l/min
- Minimum Rated Pressure Setting: 2.7 bar @ 266 l/min
- Diaphragm Pressure Vessel: 4 litre
- Pressure Gauge and Digital Pressure Display
- Stainless Steel Wet-End and Impellers
Model VFI12-40B: Price Inclusive VAT: R12,190.00
Important Installation Note
These booster pumps must be supplied from a suitable water storage tank or header tank. They should not be connected directly in-line to municipal water supply. Correct suction pipe sizing, short suction runs and unrestricted pipework are important for reliable pump performance.
Related Booster Pump Options
- View our main water booster pump range
- View variable speed drive booster pumps
- View 3kW VSD booster pumps
- Booster pump installation guide
Frequently Asked Questions
Can these pumps be connected directly to municipal water?
No. These booster pumps must be supplied from a water storage tank or header tank. Direct connection to municipal water supply is not recommended and can cause dry-run problems, poor performance and possible pump damage.
What is the benefit of a VSD booster pump?
A VSD booster pump automatically adjusts motor speed according to water demand. This helps maintain constant pressure, reduces power usage and gives smoother starting and stopping.
What voltage do these pumps require?
The VFI8-40 can be used on 220V or 380V input power. The VFI12-40B is a 220V single phase model.
Which pump is better, the VFI8-40 or VFI12-40B?
The correct pump depends on the required flow and pressure. The VFI8-40 has a higher pressure range, while the VFI12-40B has a larger 2 inch inlet and outlet and is suited to higher flow applications.
Can EEZI PUMPS courier these pumps?
Yes. We can courier pumps to most major towns and cities in South Africa. Send us your delivery address and the pump model required so we can quote for delivery.
Need help choosing the correct 2.2kW VSD booster pump?
Email us your required flow rate, pressure, pipe size, voltage and installation details, and we will assist with selecting the correct model.
Email: sales@eezipumps.co.za
WhatsApp: 060 578 9341

