The **Hatco 3CS-4 Sanitizing Sink Heater** is a space-efficient, **undersink** solution designed for **commercial kitchens** and restaurants, providing reliable **sanitizing temperatures** (180°F) while maximizing counter space. Its **compact 16-18in square sink compatibility** makes it perfect for manual warewashing setups, ensuring compliance with health regulations without sacrificing performance. With a **built-in energy cut-off system**, this **208V, 4.5kW heater** automatically shuts off if temperatures exceed safe limits, protecting internal components while maintaining consistent rinsing efficiency. The **low-water cut-off feature** further enhances safety, preventing damage during low-flow conditions—a critical feature for high-volume restaurant environments. Whether you're outfitting a fast-casual dining establishment or a full-service kitchen, this **Hatco sanitizing sink heater** delivers durability, precision, and peace of mind with its **5-year tank parts warranty** and **stainless steel construction** for longevity. Its **digital temperature monitoring** with yellow power and red over-temp indicators ensures quick adjustments, while the **powder-coated hammertone body** adds a professional finish. Save space and improve workflow with this **commercial-grade sink heater**, designed to meet the demands of professional kitchens.