This Lochinvar Hot Water Heater is an industrial-grade heating unit with a power rating of 18 kilowatts. It is designed to operate on either single-phase or three-phase electrical systems, providing versatility for different installation requirements. The heater utilizes advanced technology to ensure efficient water heating, making it suitable for commercial and large-scale residential applications. Its robust construction ensures durability and long-term performance, while its compact design allows for easy installation in limited spaces. The product adheres to industry safety standards, ensuring reliable operation under various conditions.