Ebara Hydrostation Variable Speed Booster Pump
Ebara Hydrostation Variable Speed Mains Water Booster Pump
- Established 1975
- Trusted by thousands of customers
The Ebara Hydrostation is a compact all-in-one variable speed booster for homes, offices and light commercial buildings. A 3-stage horizontal pump, IE5 permanent magnet motor and on-board inverter hold a constant pressure however many outlets are open, with an integrated non-return valve, self-priming device and maintenance-free anti-water hammer expansion device – no extra accessories needed.
It runs at just 43 dB(A), installs without tools and can be set up and monitored over Bluetooth from the Ebara app.
Variable speed inverter
43 dB(A)
Bluetooth app
IP65
12.7 kg
More about this product
Ebara Hydrostation Overview
The Ebara Hydrostation packs a complete pressure boosting system into a unit just 400 mm long. A 3-stage horizontal multistage pump is driven by an IE5 high-efficiency permanent magnet motor, with an on-board inverter that varies speed to match demand. Pressure stays constant whether one tap or several outlets are running, and the pump only uses the energy the system actually needs.
Everything needed for a working installation is built in: a non-return valve, a self-priming device and an anti-water hammer expansion device with opposing springs that needs no pre-charge checks or maintenance. It suits low-pressure homes, offices, light commercial buildings, irrigation and garden supply.
Key Features
Technical Specifications
| Specification | Value |
|---|---|
| Pump type | Horizontal multistage, 3 stages |
| Maximum flow | 5.7 m³/h (95 l/min) |
| Maximum head | 60 m |
| Shut-off pressure | 587.55 kPa (approx. 5.9 bar) |
| Maximum working pressure | 10 bar (1000 kPa) |
| Connections | G1″ female suction and discharge (UNI ISO 228) |
| Motor | 0.8 kW, IE5, 6-pole, 4150 rpm |
| Supply | 230 V single phase, 50 Hz, 4.5 A |
| Protection / insulation | IP65 / Class F |
| Noise level | 43 dB(A) |
| Dimensions (L × W × H) | 400 × 210 × 289 mm |
| Weight | 12.7 kg |
Performance
Approximate duty points at full speed, read from the Ebara performance curve (ISO 9906:2012 Grade 3B, water at 20°C).
| Flow (l/min) | 0 | 20 | 40 | 60 | 80 | 95 |
|---|---|---|---|---|---|---|
| Flow (m³/h) | 0 | 1.2 | 2.4 | 3.6 | 4.8 | 5.7 |
| Head (m) | 60 | 56 | 43 | 30 | 20 | 5 |
Materials
| Component | Material |
|---|---|
| Casing cover, impeller, diffuser | Nylon |
| Pump shaft | Stainless steel AISI 304 |
| O-rings | EPDM / NBR |
| Mechanical seal | Graphite / silicon carbide / EPDM |
Installation Notes
Frequently Asked Questions
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Data Sheet PDFDownload
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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Frequently Asked Questions
Quick answers to common questions about the Ebara Hydrostation Variable Speed Mains Water Booster Pump. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is the Ebara Hydrostation used for?
The Ebara Hydrostation is a variable speed booster pump system designed to maintain constant water pressure in domestic, commercial and industrial water supply systems.
Why does the Ebara Hydrostation use variable speed control?
Variable speed technology adjusts pump performance to match water demand, improving efficiency while reducing energy consumption.
Is the Ebara Hydrostation suitable for multiple outlets?
Yes. It is designed to provide consistent pressure where multiple taps, showers or outlets may be used at the same time.
What is a mains pressure boosting system?
A mains pressure boosting system increases the pressure and flow of water from the incoming mains supply into a property. It typically combines a pump and a storage or expansion tank, drawing water from the mains and delivering it to taps, showers and appliances at a stronger, more consistent pressure. They are used where the incoming mains is too weak to serve modern outlets reliably.
When do I need a mains booster pump?
You normally need a mains booster if static mains pressure is below 1.5 to 2 bar, if showers run weakly when other taps are open, or if combi boilers struggle to deliver hot water. Anglian Pumping recommends checking static pressure at the stop tap before specifying a system, then choosing a model rated for the number of bathrooms and outlets in the property.
What size mains booster do I need for my home?
Sizing depends on the number of bathrooms, the type of fittings and the static mains pressure. As a guide, a 1 to 2 bathroom property with combi boiler or single shower often needs 1.6 to 3 bar boost. A 2 to 3 bathroom property typically needs 3 to 4.5 bar with an integral break tank. Larger homes need a tank-and-pump system such as the DAB Esybox with Esytank or a Powertank set.
What is a water booster pump?
A water booster pump increases the pressure of an existing water supply to give stronger flow at taps, showers and appliances. It can be a small inline pump fitted to the incoming mains, or a larger pump and tank set that draws from a break tank to feed the whole house. Boosters do not create water – they raise the pressure of the water already coming in.
What is the difference between an inline booster and a tank-and-pump booster?
An inline booster connects straight onto the incoming mains and is limited to 12 litres per minute under UK water regulations – examples include the Salamander HomeBoost and WaterBoost WB-Compact. A tank-and-pump booster, such as the Grundfos Home Booster or DAB Esybox with Esytank, draws from a break tank and can deliver much higher flow rates for larger homes with multiple bathrooms.
What is a variable speed booster pump?
A variable speed booster uses an inverter to adjust pump speed in real time to match demand. It maintains constant pressure as outlets open and close, runs more quietly than a fixed-speed pump and typically saves up to 50 per cent of the energy a fixed-speed equivalent would use. The DAB Esybox, DAB Esybox Mini 3 and Grundfos Scala2 are common variable speed examples.