Check the listing for details. 3kw Electric Water Heater Instant Water Heater Under Sink For Kitchen &. Color: White, Condition: New. Listed at 49.36 USD. Description Our water heater uses a stainless steel heating core with 3000w large power, providing you with instant and constant hot water and allowing for a comfortable washing experience. In addition, it adopts multiple protection designs such as leakage protection, dry-heating protection, and grounding protection, ensuring high safety of water use. The mini body and modern appearance make it a great companion for a sink and faucet. Key Features Premium Material: The instant water heater uses stainless steel and high-quality ABS materials with injection molding, making it sturdy, wear-resistant, corrosion-resistant, and long-lasting. A Safe Heater: The various protections such as leakage protection, dry-heating protection, anti-electric wall technology, water-electricity isolat.