WaterBoost- Slimline EXT
WaterBoost WB-EXT Slimline 150 Mini3 Variable Speed 2501210
- Established 1975
- Trusted by thousands of customers
The 150 litre WaterBoost Slimline EXT is a compact, pre-built boosting system designed for properties experiencing low water pressure or inadequate flow. Featuring an external variable speed pump that sits neatly alongside the storage tank, it combines high performance with easy access for servicing and maintenance.
Capable of delivering up to 50 litres per minute at 3 bar, the Slimline EXT provides consistent pressure and improved flow for everyday household use.
With a tank footprint of just 600mm wide and 650mm high, it passes easily through a standard doorway and arrives fully pre-built and ready to install — ideal for positioning under stairs, in garages or within utility rooms in both new and existing properties.
Perfectly suited to 1–2 bedroom homes where water pressure is poor and floor space is limited.
More about this product
The Slimline EXT comes complete with:
- Blue 150 litre WRAS approved slimline water tank — 5 year warranty (600mm Ø × 650mm H)
- DAB Esybox Mini3 variable speed pump with pre-fitted plug — 3 year warranty
- 2 × union connections
- ¾” ball float valve and float
- Tank-to-pump connection hose
- 1″ pre-fitted tank outlet
- Bylaw 30 kit
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DAB Mini3 PDFDownload
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Data Sheet PDFDownload
Standard delivery:
Standard delivery is free for all orders except for some low cost/low margin items where standard delivery is £6.75. Some difficult to transport goods also have a varying carriage charge applied.
Please contact us for the estimated standard delivery times of the products that we have in stock, by dropping us a message on our Whatsapp or Live chat.
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 £15.00 + 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.
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