DAB Esybox
DAB Esytank 500 with Esybox Mini3 CAT5
- Established 1975
- Trusted by thousands of customers
Esytank 500 CAT5 – 480 litre storage, Esybox Mini3 – 45 litres/min @ 3 bar
The ESYBOX Mini3 and ESYTANK 500 CAT5 booster tank set from DAB is the ultimate solution for water pressure boosting in domestic, residential, and light commercial applications. This compact, innovative system efficiently enhances water pressure for taps, showers, and household appliances.
The ESYBOX Mini3, an award-winning variable-speed pump, intelligently adjusts flow to match demand, ensuring constant water pressure. It also delivers significant energy savings—up to 50% compared to traditional fixed-speed systems.
Complementing the ESYBOX Mini3, the ESYTANK 500 CAT5 boasts a 480-litre water storage capacity, offering both efficiency and versatility. Designed for seamless installation, it fits easily into spaces such as utility rooms, cellars, or garages, making it a practical and adaptable choice for various settings.
More about this product
The ESYTANK 500 CAT5 water storage tank is expertly designed to integrate seamlessly with the ESYBOX Mini3 booster pump system, creating a complete solution to boost your water storage capacity. Ideal for both residential properties and light commercial use, this system offers unmatched efficiency and convenience.
The DAB ESYBOX Mini3 with ESYTANK 500 CAT5 setup ensures effortless installation and exceptional practicality. Its compact dimensions allow it to fit through narrow spaces, such as cellar doorways, while minimizing the required footprint upon placement. Maintenance is equally simple, with the ESYTANK’s accessible inspection lid providing straightforward access for routine upkeep.
Combining simplicity, efficiency, and reliability, this user-friendly system is the perfect choice for a wide range of applications.
Key features:
- Highly efficient
- Reduced space required
- Rapid installation possible
- Easy access for maintenance
- Suitable for use with drinking water
- Esybox uses Inverter technology to make economic savings
- Compact electronic pressure transducer with built-in temperature sensor
- Internal hydraulic connections
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.
You may also need
The DAB Esybox 60161181 is the flagship DAB variable speed booster pump — a fully integrated all-in-one unit combining a self-priming multi-stage pump, inverter, pressure…
The DAB Esybox Mini3 60212601 is a WRAS-approved, all-in-one variable speed cold water booster pump for domestic and light commercial applications. Delivering up to 50…
The DAB Esytank Coupling Kit allows you to connect Esytank systems.
Frequently Asked Questions
Quick answers to common questions about the DAB Esytank 500 with Esybox Mini3 CAT5. 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 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.



