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DOYXC 110V 3000W Portable Tankless Water Heater – Instant Hot Water

$59.98 on Amazon.com (as of October 14, 2026, 5:48 AM EST) View details ↗

Experience instant hot water with the DOYXC 110V electric tankless heater, delivering 3000 W of power and reaching 55 °C (131 °F) in just 3–5 seconds. Ideal for kitchens, bathrooms, RVs, and small apartments, this compact unit mounts under the sink and frees up valuable space while ensuring a continuous supply of hot water for dishes, washing, and more.

Safety is paramount: the heater features IPX4 waterproofing, leakage protection, dry‑burn prevention, and an automatic power‑off when idle. A clear LCD display provides real‑time status and temperature. Installation is straightforward, with pre‑drilled screw holes and 1/2 inch NPT connections. Use a 13 AWG cable and a circuit breaker of at least 32 A for optimal performance.

Designed for energy efficiency, the unit employs a variable‑frequency drive that adjusts power based on flow rate, achieving up to 99 % thermal efficiency. This means less electricity consumption and lower utility bills compared to traditional tank heaters.

Thermal EfficiencyUp to 99%
What electrical wiring is required for installation?
Use a 13 AWG cable with a circuit breaker of at least 32 A.
Does the heater have any water safety features?
Yes, it includes IPX4 waterproofing, leakage protection, and dry‑burn prevention.
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