Tankless Water Heater On-Demand 304 Stainless Steel Core
High Quality
Free US Shipping
Hassle Free Returns
Almost sold out — few units available
🎃 Spooky Season Sale 🦇
Due to high demand, stock is limited. Get an extra 10% OFF your order with code:
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Stop Waiting for Hot Water Every Time You Turn a Tap
Get hot water within 3 seconds — 3D rotary heating with a 304 stainless steel core, without a storage tank or standby heating.
Why Is Instant Hot Water Perfect for You?
✔ Hot water in 3 seconds: The 3D rotary heating system and 304 stainless steel core heat water as it flows, reaching the set temperature within 3 seconds. With no stored supply, there is no tank to wait for or run out during consecutive use.
✔ Eight layers of safety protection: Built-in protections include dual anti-electric safeguards, anti-dry-burning protection, water-electricity isolation, mandatory grounding, overvoltage protection, anti-scalding temperature control, IPX4 waterproofing, and automatic over-temperature shutoff. An LED display shows the water temperature during use.
✔ Heats water only when needed: Variable frequency technology adjusts power to match heating demand, while on-demand operation avoids standby heating between uses. Seasonal temperature adjustment responds to changes in incoming water temperature without continuously reheating a stored tank.
Specifications
Power options: 3500 W and 5500 W
Heating element: 3D rotary heating system with 304 stainless steel core
Water temperature range: 68°F to 131°F
Protection rating: IPX4
🎃 Spooky Season Sale 🦇
Due to high demand, stock is limited. Get an extra 10% OFF your order with code:
Tap to copy — valid while supplies last
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.