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Installation must be carried out by a qualified electrician.
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Suitable for indoor use.
Transform your kitchen, bathroom, or utility area with the Instaheat 6.5kW Tankless Instant Hot Water System, a compact and powerful solution designed for point-of-use hot water delivery. Whether mounted neatly over or under the sink, this space-saving unit eliminates the need for a bulky storage tank and long pipe runs, delivering steaming hot water instantly whenever you turn on the tap. With its 6.5kW heating capacity, it rapidly heats water as it flows through the unit, providing a continuous supply without the wait or the worry of running out—perfect for busy households, small offices, caravans, or commercial settings where space is at a premium.
Engineered for both efficiency and safety, this innovative system features advanced digital controls with a clear display for precise temperature adjustment and monitoring. The tankless design eliminates standby heat loss, reducing energy consumption and lowering utility bills compared to traditional storage heaters. Comprehensive safety features, including leakage protection, overheating protection at 60°C, and a built-in pressure relief valve, ensure complete peace of mind during operation. With its ultra-compact dimensions (just 20cm long) and flexible installation options, the Instaheat 6.5kW delivers reliable, on-demand hot water exactly where you need it most.
Flexible Over or Under Sink Installation: Ultra-compact design fits neatly above or below the sink, saving valuable space and eliminating long pipe runs for instant hot water.
Powerful 6.5kW Instant Heating: Delivers continuous hot water on demand—no waiting for a tank to reheat, ideal for kitchens, bathrooms, and utility rooms.
Space-Saving Compact Design: Incredibly small footprint (Height: 18cm, Width: 8cm, Length: 20cm) fits easily into tight spaces where traditional heaters won't.
Digital Temperature Control: Features temperature adjustment and digital display for easy monitoring and precise setting of your preferred water temperature.
Temperature Memory Function: Automatically remembers your last temperature setting, so you don't need to readjust each time you use the heater.
Comprehensive Safety Protection: Built-in leakage protection, overheat protection (cuts out at 60°C), and a built-in pressure relief valve prevent accidents and damage.
Efficient Point-of-Use Design: Eliminates standby heat loss from storage tanks, reducing energy consumption and providing endless hot water for sinks and small applications.
Complete Installation Package: Requires 4mm² wiring and 40A circuit breaker (installation by qualified electrician recommended).
| Specification | Details |
|---|---|
| Product Name | Instaheat 6.5kW Tankless Instant Hot Water System |
| Installation Options | Over sink or under sink |
| Power Output | 6500 Watts (6.5kW) |
| Voltage | 220 - 240V |
| Rated Current | Approx. 27-29A (calculated from power/voltage) |
| Required Circuit Breaker | 40 Amps |
| Required Cable Size | 4mm² |
| Rated Pressure | 0.06 MPa |
| Water Pressure Range | 0.02 - 0.5 MPa |
| Water Connection | Copper 1/2" |
| Overheating Protection | 60°C (cuts out) |
| Safety Features | Leakage Protection, Built-in Pressure Relief Valve, Temperature Memory Function |
| Dimensions (H x W x L) | 18cm x 8cm x 20cm |
| Warranty | 1 Year |
1. Can this heater really fit under a standard kitchen sink?
Yes, absolutely. With dimensions of just 20cm long, 18cm high, and 8cm wide, this unit is specifically designed to fit in the tight spaces under a sink, alongside pipework and waste disposal units. Its compact size makes it ideal for kitchens, cloakroom basins, and utility areas where space is limited.
2. What are the electrical requirements for installing this 6.5kW unit?
This heater requires a dedicated electrical circuit. You will need a 40 Amp circuit breaker (MCB) in your consumer unit and must use 4mm² cable (twin and earth or suitable flex) for the connection. A double-pole isolating switch should also be fitted for safe isolation. Installation must be carried out by a qualified electrician to ensure compliance with wiring regulations.
3. Is this heater suitable for a shower or just sinks?
While this 6.5kW model is primarily designed for sink applications (kitchen, bathroom basin, utility sink), it could potentially supply a low-flow shower or hand-held shower in a small wet room. However, for a satisfying shower experience with good flow rate, a higher power unit (such as 8.5kW, 11kW, or 13.5kW) is typically recommended. Please check your expected flow rate and required temperature rise.
4. How does the temperature memory function work?
The temperature memory function automatically saves your last selected temperature setting. This means that after the first use, whenever you turn on the heater, it will default to your preferred temperature without needing to readjust the controls each time—providing consistent, convenient comfort day after day.
5. What safety features prevent the water from getting too hot?
The Instaheat 6.5kW includes multiple safety systems. It has overheating protection that cuts power to the heating element if the water temperature exceeds 60°C. Additionally, the built-in pressure relief valve prevents dangerous pressure buildup, and leakage protection guards against electrical hazards. These features work together to ensure safe, reliable operation.
