The Hatco S-18 Imperial Booster Water Heater is a high-performance solution for commercial kitchens and restaurants requiring fast, efficient water heating for dishwashing and sanitization. With an 18kW output and 480V/3-phase power, this 16-gallon unit can recover 181 gallons per hour (GPH) at a 40°F rise or 103 GPH at a 70°F rise, delivering the 180°F water needed for effective sanitization. Its Castone®-lined tank, a durable concrete-like material, protects against corrosion and mineral buildup, ensuring longevity even in heavy-duty use. The metal-sheatched heating elements and immersed thermostat work together to maintain optimal performance, while fiberglass insulation enhances energy efficiency. Whether you're operating a high-volume restaurant, hotel, or institutional kitchen, the Hatco S-18 Imperial Booster Heater is designed to meet the demanding needs of professional environments, reducing downtime and maintaining consistent water temperature for flawless dishwashing. Its enclosed power panel and low-water cut-off add an extra layer of safety, protecting the unit from burnout during water supply interruptions. Ideal for commercial dishwashers, this booster heater is a smart investment for kitchens prioritizing durability, efficiency, and reliability.