YONOOQ 4 Gallon Electric Water Heater, 1500W 110V Mini Tank Under Sink Instant Hot Water Heater with Pressure Relief Valve, Digital Display for Kitchen, RV, Laundry, Food Truck

FAST HEATING & NO WAITING:This 4-gallon mini tank electric water heater delivers hot water in just 5–10 minutes. No more waiting for hot water at the kitchen sink, bathroom faucet, or RV. Perfect for daily kitchen tasks, bathroom needs, garage, or outdoor use.

HIGH-QUALITY & 99% THERMAL EFFICIENCY:Built with a thickened, corrosion-resistant 304 stainless steel inner tank for effective rust and leak prevention. The 316 stainless steel heating element achieves an impressive 99% thermal efficiency — rapidly heating water while minimizing energy waste. Precision seamless welding ensures reliable performance even under high pressure.

MULTIPLE SAFETY PROTECTIONS:This electric water heater features anti-leakage protection, overheat power-off, and dry-burn protection for complete peace of mind. Smart temperature control allows precise adjustment from 86°F to 149°F (30°C–65°C) via a simple knob turn. Once heated, it auto-switches to energy-saving mode. Eco-friendly, flame-retardant polyurethane foam insulation retains heat longer — hot water whenever you need it.

EASY & FLEXIBLE INSTALLATION:Designed for simple setup with standard 1/2" NPT inlet and outlet connections. The included 31.5-inch power cord features a certified plug for direct connection to any standard 110V/120V outlet — no special wiring needed. Supports floor mount, wall mount, or under-cabinet installation to fit most home environments.

IMPORTANT INSTALLATION NOTE:If the safety valve is not tightened properly, water leakage may occur. We recommend wrapping waterproof tape around the safety valve during installation. Since this unit uses standard 1/2" NPT connections, you can easily find compatible fittings at any local hardware store. If you encounter any issues, contact us — we provide comprehensive after-sales service support.