Warmfell™ Tankless Electric Water Heater 3500W with Instant Hot Water
Warmfell™ Tankless Electric Water Heater 3500W with Instant Hot Water
Warmfell™ Tankless Electric Water Heater 3500W with Instant Hot Water
Warmfell™ Tankless Electric Water Heater 3500W with Instant Hot Water

Warmfell™ Tankless Electric Water Heater 3500W with Instant Hot Water

£266.95 £79.95 SAVE 70%
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Hot water in seconds, without a bulky tank

Waiting for the water to warm up on a cold morning is no fun. This compact tankless heater fits on the wall or under the sink and heats water as it flows, so you get warm water almost straight away. It suits bathrooms, kitchens and offices where space is tight.

Why you'll love it

  • Instant heating: Warm water within seconds, no preheating
  • 3500W on demand: Only heats while water is flowing
  • Compact size: Just 19 × 15 × 7 cm and 1.2 kg
  • Built-in safety: Overheating protection and IPX4 splash resistance
  • Steady temperature: Automatic power control, 30–55°C range

Perfect for: Kitchen sinks, cloakroom basins, offices and garden rooms

Enjoy free standard delivery on your order. No hidden costs!

Received your order but changed your mind? No problem. We offer a 30-day return period.

See our Return Policy for more information about returns.

We believe in the quality of our products. That’s why we offer a 30-day money-back guarantee, so you can shop with confidence.

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The Warmfell promise

30-Day Money-Back Guarantee

Try it at home for 30 days. If it doesn't keep you as warm as you hoped, send it back and we'll refund you — no awkward questions.

Every order ships with tracking, and our team is one email away at support@warmfell.com.

Stay warm this winter

Instant warmth on the living-room floor
Instant warmth on the living-room floor
Warm hands in under a minute
Warm hands in under a minute
A cosy corner, without heating the whole house
A cosy corner, without heating the whole house
Reading weather, sorted
Reading weather, sorted
Small heater, big warmth
Small heater, big warmth
Warm fingers while you work from home
Warm fingers while you work from home
Sleek design that fits any room
Sleek design that fits any room
The fireplace feeling, anywhere
The fireplace feeling, anywhere

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Frequently asked questions

Most of our heaters and warmers give noticeable heat within one to two minutes. Exact times are listed in the product description.

Our heaters are designed with safety features such as overheat protection, and many also have tip-over protection — check the product description for the exact features. Never cover a heater and always follow the instructions.

Mains products come with a UK-compatible plug or adapter. Car products use the standard 12V socket found in UK cars.

Because you only heat the space or person you need, you often use far less energy than heating the whole house. The wattage is shown on every product page.

Yes, you can return items within 30 days after delivery. Contact us at support@warmfell.com and we'll guide you through it.

As soon as your order ships you'll receive a tracking number by email.

We accept major cards, PayPal and Apple Pay. All payments are encrypted and processed securely.

Email us at support@warmfell.com — we usually reply within 24 hours.

Tracked delivery

Every order ships with a tracking number.

30-day returns

Not happy? Send it back within 30 days.

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Friendly support

Real people, quick replies by email.