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Rated 4.9/5 by Over 12,500 Happy UK Homes

Instant Endless Hot Water in Seconds with FluxueHot Tankless Electric Heater

  • Rapid 3-second instant continuous hot water
  • Smart variable frequency saves energy costs
  • IPX4 waterproof protection for wet bathrooms
  • Durable 304 stainless steel heating core kit
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FluxueHot transformed our bathroom. Instant boiling-hot water whenever we need it, without keeping a huge tank running. Our energy bill dropped immediately and fitting it under the sink was so easy.

James Miller.

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Instant 3-Second Heat Output

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304 Stainless Steel Element

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IPX4 Splashproof Reliability

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Smart Variable Power Saving

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Why FluxueHot Leads The Industry

Experience Unlimited On-Demand Warmth Whilst Slashing Household Power Bills Every Day

Say goodbye to bulky water tanks and cold showers. FluxueHot delivers steady, continuous hot water right at the tap while optimising power output with advanced variable frequency heating elements on demand.

Instant Hot Water in 3 Seconds Flat for You

Never wait for hot water again. The advanced 304 stainless steel heating core warms flowing water instantly upon activation, providing an endless supply of comfortably warm water for sinks, basins, and showers uninterrupted.

Substantial Energy Savings With Smart Heating

Traditional boiler tanks constantly waste power heating water you do not use. FluxueHot only heats water on demand, cutting power waste and significantly lowering monthly electricity costs across the entire year.

Compact, Space-Saving and Modern Aesthetics

Engineered to fit seamlessly into small bathrooms, kitchens, and toilets. Its sleek, ultra-compact profile mounts cleanly underneath sinks or onto walls without taking up precious storage space or clashing decor.

Multi-Layer Safe Protection with IPX4 Splash Proofing

Built with 8 comprehensive safety layers including overheating cut-off, dry-burn prevention, and an IPX4 waterproof housing. Enjoy complete peace of mind knowing your household is protected against leaks and surges.

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Oliver Smith, Research Specialist

Electric tankless systems represent a massive leap forward in domestic water efficiency. FluxueHot eliminates standby energy loss completely by heating only water that passes through its 3D rotary stainless core. For homeowners seeking lower electricity bills without sacrificing instant warmth, this compact unit offers exceptional reliability and performance.

Why Thousands of British Households Choose FluxueHot Over Traditional Boilers

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Zero Preheating Waste

Standard tanks waste electricity keeping water warm all day. FluxueHot heats instantly only when you turn on the tap, saving substantial money every month.

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Constant Temperature Output

Advanced variable frequency electronics prevent sudden temperature spikes or drops, keeping your water consistently warm throughout your daily routine.

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Durable Stainless Steel Core

Constructed with premium 304 grade stainless steel that resists limescale build-up and corrosion, ensuring robust heating performance and maximum operational lifespan.

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Certified 8-Tier Protection

Equipped with automated power cut-off, IPX4 splash resistance, and ground fault safety to ensure flawless, secure operation in high-humidity wet environments.

30-Day Money Back Guarantee

Try FluxueHot completely risk-free in your home for 30 days. If you are not entirely delighted by its instant warmth, efficiency, and compact design, return it for a full, prompt refund.

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Real Feedback From Verified UK Users

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Incredible heat in just seconds!

Installed FluxueHot under my utility basin and was stunned by how fast it heats. It takes up virtually no room and works quietly. Best investment for our home this year.

David Patterson

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Verified Purchaser

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Massive drop in my electricity bill!

Replacing our old cylinder with FluxueHot made an immediate difference. We have endless hot water on tap without paying to heat a huge tank overnight. Excellent build quality and design.

Sarah Jenkins

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Verified Purchaser

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Perfect for small bathrooms!

Our downstairs toilet never had hot water before. FluxueHot fitted neatly beneath the small vanity unit and now provides instant hot water. Highly recommended!

Mark Abernathy

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Verified Purchaser

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Super easy to use and very consistent!

The digital display is clear and temperature control is spot on. No sudden cold shocks when washing hands or dishes. Well constructed and feels very solid throughout.

Emma Phillips

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No more running out of hot!

With a busy family, hot water was always gone by morning. FluxueHot heats on demand continuously, so everyone gets warm water regardless of when they use the sink.

Robert Davies

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Verified Purchaser

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Compact design, mighty warmth!

I was sceptical about such a compact unit, but it heats instantly and reliably. Great water pressure, easy controls, and completely silent during operation. Very happy.

Claire Thomas

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Rated 4.9/5 by Over 12,500 Happy UK Homes

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  • Rapid 3-second instant continuous hot water
  • Smart variable frequency saves energy costs
  • IPX4 waterproof protection for wet bathrooms
  • Durable 304 stainless steel heating core kit

Experience Endless Hot Water On Demand With The FluxueHot Electric Tankless Water Heater

Tired Of Waiting For Cold Water To Finally Run Warm Before Every Shower Or Handwash?

Get hot water within 3 seconds of turning on the tap every single time. The FluxueHot Electric Tankless Water Heater uses 3D Rotary Heating technology and a 304 stainless steel heating core that responds immediately to water flow, delivering consistently hot water at your set temperature the moment you open the faucet without any warm-up wait, any storage tank to exhaust, or any interruption to the supply no matter how long you run it.

Worried About Running Out Of Hot Water Mid-Shower Or During Back-To-Back Use?

Enjoy a 24-hour unlimited continuous hot water supply that never runs dry. The FluxueHot tankless design heats water on demand as it flows through the unit rather than storing a fixed volume that depletes and requires recovery time, meaning every member of your household can use hot water consecutively without waiting, and extended showers never trigger the cold-water surprise that signals the end of a storage tank's capacity.

Looking For A Water Heater That Cuts Your Energy Bills Without Sacrificing Performance?

Heat only what you use, only when you use it, with zero standby energy waste. The FluxueHot Electric Tankless Water Heater operates exclusively when hot water is actively flowing, eliminating the continuous standby heating loss that traditional storage water heaters incur around the clock, with variable frequency technology that automatically adjusts power consumption to match real-time demand across summer, spring, autumn, and winter inlet water temperatures for optimized seasonal efficiency.

Enjoy Instant, Unlimited, Safe, And Energy-Efficient Hot Water Year-Round With The FluxueHot Electric Tankless Water Heater

Available in 3500W and 5500W models for different household demand levels, the FluxueHot features eight comprehensive protection systems including dual anti-electric protection, anti-dry burning, water-electricity isolation, overvoltage protection, anti-scalding constant temperature control, and IPX4 waterproof rating, all housed in a compact modern white design with LED digital temperature display and touch controls that fits any kitchen sink, bathroom, or shower installation.

3-Second Instant Heating 3D Rotary Technology

Eight-Layer Comprehensive Safety Protection System

Available In 3500W And 5500W Power Options

Seasonal Auto-Adapting Temperature Control

3-SECOND INSTANT HEATING TECHNOLOGY

The 3D Rotary Heating system and reinforced 304 stainless steel heating core activate immediately upon water flow, reaching your set temperature within 3 seconds of opening the tap and maintaining it consistently throughout the entire use without the temperature fluctuations or waiting periods associated with traditional storage water heating systems.

EIGHT COMPREHENSIVE PROTECTION SYSTEMS

Dual anti-electric protection, anti-dry burning safeguards, complete water-electricity isolation, mandatory ground protection, overvoltage surge protection, constant temperature anti-scalding control, IPX4 waterproof rating, and over-temperature automatic shutoff work together across eight independent layers to keep your household completely safe during every single hot water use.

SEASONAL AUTO-ADAPTING TEMPERATURE CONTROL

The intelligent thermostatic system automatically adjusts output temperature to compensate for seasonal variation in cold inlet water temperature, outputting 38°C in summer, 42°C in spring and autumn, and 45°C in winter without requiring any manual recalibration, maintaining comfortable consistent shower and sink temperatures year-round regardless of how cold the incoming water supply becomes.

VARIABLE FREQUENCY ENERGY EFFICIENCY

Variable frequency technology continuously optimizes power consumption to match the exact heating demand of the current water flow rate and inlet temperature, eliminating all standby energy loss between uses and consuming only the precise energy required for each specific use scenario, delivering significant utility bill reductions compared to storage heaters that heat and reheat the same stored volume continuously.

COMPACT IPX4 WATERPROOF DESIGN

The small modern white housing with IPX4 waterproof rating fits easily under kitchen sinks, in tight bathroom spaces, and in any compact installation point-of-use location where a traditional storage water heater would be impractical, with an LED digital temperature display and intuitive touch controls that make daily temperature management simple and immediate.

5-YEAR SERVICE LIFE WITH QUALITY CONSTRUCTION

The 304 stainless steel heating core with reinforced construction delivers a 5-year service life that significantly outlasts traditional electric faucet heaters by three or more years, with every unit passing strict multi-stage leakage prevention, electric leakage prevention, and heating performance testing before shipment to ensure reliable long-term daily performance.

Frequently Asked Questions

What is the difference between the 3500W and 5500W models?

The 3500W model requires a 16A dedicated circuit and delivers flow rates of 3.86L/min in summer and 1.52L/min in winter, suited for single point-of-use kitchen or bathroom applications. The 5500W high-power model requires a 32A dedicated circuit and delivers 6.06L/min in summer and 2.39L/min in winter, providing a 95% hot water output rate suitable for higher demand bathroom shower use.

How quickly does it heat water after switching on?

The FluxueHot heats water within 3 seconds of water beginning to flow through the unit, providing an immediate hot water response at the tap without any warm-up period, pre-heating delay, or waiting for stored water to travel from a distant tank through cold pipes to the point of use.

What are the minimum installation requirements before purchasing?

The unit must be installed vertically on a dedicated electrical line with a properly sized circuit breaker — 16A for the 3500W model and 32A for the 5500W model — and a mandatory ground line must be installed. Minimum water pressure of approximately 0.1 MPa is required, and the unit should only be used indoors at temperatures above 0°C with water turned on before powering on during every use.

How does the anti-scalding constant temperature feature work?

The constant temperature control system monitors output water temperature continuously and adjusts the heating element power in real time to maintain your selected temperature setting without spikes or surges that could cause scalding, with the actual output temperature visible at all times on the LED digital display for immediate monitoring during every use.

Is it suitable for use in both kitchens and bathrooms?

Yes. The FluxueHot is designed for kitchen sink, bathroom shower, and bathroom handwashing applications, with the complete package including a shower head with hose, metal braided inlet hose, leakage protection switch, and metal tee connectors covering both bathroom and kitchen installation configurations straight from the included hardware package.

What should I do before switching it on for the first time?

Pass water through the unit for approximately 5 seconds before powering on during the very first use to ensure the heating compartment fills completely with water before the heating element activates. Always turn on the water supply first before switching on the power during every subsequent use, and never power on the unit without water flowing to prevent anti-dry burning protection activation.

How does it perform in winter when the incoming cold water is very cold?

The seasonal temperature adaptation system automatically compensates for lower winter inlet water temperatures, outputting approximately 45°C when the inlet water is between 5°C and 10°C. In extreme winter conditions with very low inlet temperatures, adjusting the water flow rate through the faucet or pressure regulating valve can help achieve the desired output temperature within the unit's heating range of 20°C to 55°C.

What is included in the complete package when I order?

Every FluxueHot order includes the main water heater unit, a shower head with hose, a metal braided inlet hose, a power cord, installation hardware including metal tees and connectors, a leakage protection switch, and both an operating instructions manual and a dedicated installation manual covering bathroom and kitchen configuration steps.

£109.00

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Frequently Asked Questions

How quickly does the FluxueHot unit produce hot water?

FluxueHot features an advanced 304 stainless steel heating core that provides endless hot water within just 3 seconds of opening your water tap.

Where can I install the FluxueHot tankless heater?

Due to its compact dimensions and IPX4 splashproof rating, FluxueHot is suitable for installation under kitchen sinks, bathroom basins, toilet hand basins, or in utility rooms safely.

How does FluxueHot help lower my household energy bill?

Unlike storage boilers that continuously consume power, FluxueHot only heats water as it flows through the unit. Smart variable frequency tech ensures no energy is ever wasted.

What electrical requirements are needed for installation?

The 3500W model requires a 16A circuit, dedicated wiring of ≥1.5mm², and a proper ground line connection installed by a qualified electrician.

Is FluxueHot safe to install in wet bathroom environments?

Yes. It comes with an IPX4 waterproof casing and 8 internal safety protections against overheating, dry heating, power surges, and water ingress for maximum safety.

Does water temperature fluctuate during usage?

No. The built-in intelligent temperature management chip monitors and maintains a steady, comfortable water stream without sudden temperature drops or surges.

Can it supply continuous hot water without limit?

Yes. As a true tankless on-demand system, FluxueHot heats water continually for as long as your tap remains running, 24 hours a day reliably.

© 2025 FluxueHot. All Rights Reserved. Terms Apply.

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