Features & Benefits:

• 300-litre nominal capacity pressure vessel
• Boosts water pressure by up to 3.2 bar
• Delivers up to 27 l/min flow rate
• Floor-mounted design
• Automatic start/stop operation
• Durable brass pump body and impeller
• Built-in dry-run protection
• WRAS approved
• 3-year guarantee

What’s Included:

• Stuart Turner STORMBOOST 300 3.2 Bar Mains Water Booster Pump – 47718
• Anti-vibration connection hoses

The Stuart Turner STORMBOOST Mains Water Booster Pump is a powerful solution for homes suffering from low mains water pressure. Ideal as an upgrade or replacement for a shower pump, this system connects directly to your incoming cold water mains and activates automatically whenever a tap or shower is used, ensuring strong, consistent water pressure throughout your home.

Compact and Convenient

Designed to fit neatly under a 600mm-wide kitchen larder unit, the STORMBOOST 300 is a smart, space-saving choice. It’s especially well-suited to properties with one or two bathrooms and a combi-boiler.

Outstanding Performance

This model delivers:

• Up to 27 litres per minute at 3.2 bar pressure for up to 11 minutes, followed by
• Up to 12 litres per minute continuously until demand stops and the pressure vessel recharges*
• *Actual flow rates depend on the mains supply available.

Effortless Operation

There’s no need for manual controls; the pump switches on and off automatically when water is drawn. This makes everyday use simple, reliable, and energy-efficient while preventing accidental overuse.

Built to Last

A robust brass pump body and impeller provide long-term durability and dependable performance. The pump also features anti-vibration technology, including flexible hoses, ensuring quiet operation.

British-Made Quality

Manufactured in the UK, the STORMBOOST 300 delivers the high standards of engineering Stuart Turner is known for.

Regulatory Assurance

This pump is WRAS approved, confirming full compliance with UK water regulations for added peace of mind.

Technical Specifications:

• Maximum pressure (closed valve): 3.2 bar (32 metres)
• Maximum flow: 27 l/min (up to 11 minutes)
• Continuous flow: 12 l/min
• Maximum working pressure: 450 kPa (4.5 bar)
• Maximum ambient temperature: 40°C
• Water temperature range: 4°C to 35°C
• Flow switch sensitivity: Approx. 0.6 l/min