HeatyJet Under Sink Water Heater: Compact, Powerful Tankless Under Sink Water Heating System
Enjoy endless on-demand hot water without waiting. HeatyJet features 95% thermal efficiency, intelligent AI temperature control, and complete multi-layer safety protection in an ultra-compact design built neatly for your kitchen, bathroom, or utility sink.
- Instant 3-second rapid water heating system
- Smart touch screen & exact digital temp display
- Compact 7.5 x 7.5 x 19 cm body design
- Safe water-electricity separation
AS SEEN ON
Smart, Energy-Efficient Tankless Water Heating Engineered for Modern British Homes
Instant 3-Second Continuous Hot Water
Eliminate freezing cold bursts and long waits. The 304 stainless steel heating tube delivers continuous on-demand hot water at up to 95% thermal efficiency, heating only what you use to slash power bills.
Intelligent AI Temp & Flow Management
Built-in smart chip adapts heating power automatically to fluctuating water flow, keeping your set temperature steady from 20°C to 55°C on the clear digital touchscreen without unexpected scalding.
Advanced Multi-Layer Safe Design
Rest easy with total water-electricity separation, IPX4 waterproof casing, dry-burn protection, and leakage safety. Built for dependable daily use in kitchens, cloakrooms, and office sinks.
Over 10,000+ happy homeowners enjoying reliable instant hot water
"HeatyJet solves the classic problem of waiting for boiler water to travel across the house. Its 95% thermal efficiency and robust safety separation make it a premier choice for under-sink instant hot water."
Mark Davies, Research Specialist
Why Choose HeatyJet
The Smarter, Faster Way to Heat Water Under Any Modern Sink
Engineered for maximum speed and efficiency
3-Second Fast Heating
High-powered 304 stainless steel heating coil provides rapid hot water on demand, ending frustrating waits at taps in kitchens, bars, and cloakrooms.
95% Thermal Efficiency
Unlike bulky traditional boiler cylinders, it only heats flowing water, preventing standby energy loss and cutting household electricity expenses.
Space-Saving Body
Measuring just 7.5 x 7.5 x 19 cm, it slots easily beneath compact kitchen sinks, utility cupboards, or vanity units.
Smart AI Flow Temperature
Advanced microchip monitors incoming flow and modulates heating output dynamically to preserve your selected water warmth effortlessly.
Complete 5-Layer Protection
Equipped with dry-burn detection, high-temperature shutoff, IPX4 waterproofing, and isolated water-electricity channels for safety.
Flexible 360° Mounting
Supports vertical, horizontal, or inclined installation to fit awkward pipework arrangements under sinks, counters, and commercial washrooms.
See In Action
What Is Inside Your Package?
HeatyJet Under Sink Water Heater
Packaging Box
User Manual
1x Seal Kit
1x User Guide
1x Warranty
24/7 Customer Support
Have questions about installation or wiring specs? Our dedicated UK-based customer care team is available around the clock to ensure seamless setup and complete peace of mind.
Frequently Asked
Common questions answered
Real Customer Review
Real Feedback From Real UK Customers
Oliver Brooks
Installed this under our utility room sink. Instant hot water in 3 seconds flat, no more running the tap endlessly waiting for the boiler. Brilliant piece of kit!
Verified Buyer
Sarah Jenkins
Compact enough to tuck under our cloakroom basin easily. The digital temperature display is accurate, and it saves on our heating bill. Highly recommended!
Verified Buyer
David Taylor
Superb thermal efficiency and extremely safe. We fitted one in our salon wash station and it handles continuous daily use without a single glitch. Worth every single penny.
Verified Buyer