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CTSP11H6 SureFlow Plus Water Boiler 11L 4.5kW
The CTSP11H6 SureFlow Plus Water Boiler 11L 4.5kW is a high-capacity, mains-fed hot water solution. With its 11-litre capacity and powerful 4.5kW heating element, this countertop unit delivers near-instant hot water on demand, making it ideal for offices, staff kitchens, canteens, and hospitality settings.
Engineered for efficiency and performance, the SureFlow Plus eliminates the need for kettles, helping to save time, reduce energy waste, and improve workplace productivity. Its durable construction and compact design allow for easy installation on countertops while maintaining the high output required in demanding environments.
11 Litre Capacity – Designed for medium to high-demand environments
Powerful 4.5kW Heating Element – Fast heat-up and rapid recovery
Direct Mains-Fed Supply – Continuous hot water without refilling
Energy Efficient Operation – Reduces repeated kettle boiling
Commercial-Grade Build – Reliable for daily heavy use
Filtration Compatible – Improves water taste and quality
Model:Â Â CTSP11H6 SureFlow Plus Water Boiler
Capacity: 1.1 litres
Heating Power:Â Â 4.5kW
Water Temperature Output:  Approx. 95–98°C
Dispensing Type:Â Â Hot water only
Installation Type:Â Â Counter top
Dimensions:Â 705mm (H) x 250mm (W) x 555mm (D)
Connection:Â Â Direct-to-mains water supply with filtration compatibility
Construction:Â Â Commercial-grade components with durable outer casing
Power Supply:Â Â 230V electrical connection
Recovery Rate:Â Â High-speed recovery for continuous use
The CTSP11H6 is a mains-fed hot water boiler and requires connection to both water and power supplies for correct operation.
Installation Requirements:
– Connection to mains water supply
– Standard 230V electrical connection
– Suitable countertop space for installation
– Waste connection recommended for overflow and safety discharge
✔ Rental Customers: Installation is included and carried out by an Active Water Coolers engineer
✔ Purchase Customers: Professional installation is available as an optional extra
✔ Customers may install independently, but a qualified plumber is strongly recommended
This ensures the unit is installed safely, efficiently, and in line with best practice.
INSTALLATIONThe CTSP11H6 SureFlow Plus Water Boiler 11L 4.5kW is a mains-fed commercial hot water boiler that provides instant near-boiling water for workplaces. It is designed for environments where a high volume of hot water is required throughout the day.
With an 11-litre capacity and 4.5kW heating power, the unit delivers a consistent supply of hot water with a fast recovery rate, making it suitable for multiple users throughout the day.
The boiler dispenses water at approximately 95–98°C, ideal for:
– Tea and coffee
– Instant food and beverages
– Kitchen and catering use
Yes. It is a direct-to-mains system, providing a continuous supply of hot water without the need for refilling.
Yes. The SureFlow Plus offers:
– Instant hot water
– Higher capacity
– Improved energy efficiency
– No manual refilling
This makes it a more practical and cost-effective solution for businesses.
Yes. The SureFlow Plus offers:
– Instant hot water
– Higher capacity
– Improved energy efficiency
– No manual refilling
This makes it a more practical and cost-effective solution for businesses.
