The Hatco 3CS2-6B Hydro-Heater is a commercial-grade sanitizing sink heater designed to meet the rigorous demands of professional kitchens. Its patented 'free flow' hot water circulation system ensures even temperature distribution throughout the sink compartment, delivering consistent 180°F rinse water—critical for meeting health and safety regulations. This undersink unit is ideal for 19- to 21-inch square sink areas, making it a versatile choice for restaurants, hotels, and institutional kitchens. The heating elements are mounted outside the flow tube, reducing lime and sediment buildup, which prolongs service life and minimizes maintenance. With electronic temperature monitoring and a low-water cut-off system, the 3CS2-6B ensures safe and efficient operation, while its stainless steel front and powder-coated body provide lasting durability. Whether you're outfitting a high-volume restaurant or a multi-unit operation, this unit offers the reliability, precision, and performance needed to maintain sanitary conditions without compromising efficiency.