Twin Variable Speed Booster Set – 320L/Min @ 3.5 Bar

The NT Cloke twin variable speed booster set is designed to deliver consistent water pressure in buildings where the incoming mains supply is insufficient or demand varies throughout the day.

Providing up to 320 litres per minute at 3.5 bar, this system is ideal for applications requiring higher flow rates across multiple outlets, such as larger properties, apartment blocks, and light commercial buildings.

Built with WRAS-approved stainless steel pumps, the system uses variable speed inverter control to automatically adjust performance based on real-time demand. This ensures stable pressure, improved energy efficiency, and reduced wear on system components.

Supplied as a fully assembled and pre-tested package, the booster set includes pumps, pressure vessel, controls, and fittings for straightforward installation.

In the event of water supply interruption, the system includes dry run protection with automatic shutdown and restart functionality to safeguard the pumps.

Product Features

• Delivers up to 320 litres per minute at 3.5 bar
• Designed for higher flow domestic and light commercial applications
• Maintains constant pressure with variable speed inverter control
• Built with WRAS-approved stainless steel pumps
• Operates in duty/assist or duty/standby configurations
• Supplied fully assembled and pre-tested before dispatch
• Integrated dry run protection with automatic shutdown and restart
• Includes 8-litre WRAS-approved pressure vessel
• Glycerine-filled pressure gauge for accurate monitoring
• Stainless steel fittings for durability

Optional Equipment Available

We offer a full range of optional equipment to complete your booster system installation, including:

• WRAS-approved water storage tanks
• GRP pump enclosures for external installations
• BMS-compatible control panels
• Anti-vibration mounts
• Pipework, valves, and fittings
• Backup components and replacement parts

Ideal For

• Large domestic properties and multi-bathroom homes
• Apartment blocks and residential developments
• Commercial buildings with higher water demand
• Systems requiring consistent flow across multiple outlets
• Light commercial and mixed-use buildings

Commissioning & Service

NT Cloke provides full commissioning, servicing, and ongoing maintenance support to ensure your booster system is installed correctly and operating efficiently.

Our engineers ensure your system is set up, tested, and running reliably from day one.