The Coolworks DA 500 Commercial Chiller is a powerful 1/2 HP cooling unit engineered to provide precise and reliable temperature control for saltwater and freshwater aquariums up to 150 gallons. It effectively stabilizes water temperatures, addressing common challenges faced by large aquarium systems in maintaining optimal conditions for sensitive aquatic life. This commercial-grade chiller ensures a consistent and healthy environment by preventing temperature fluctuations and overheating. This chiller boasts a durable titanium "Helix" heat exchanger, designed for maximum heat transfer efficiency and superior corrosion resistance. It features an integrated digital LED thermostat system for automatic temperature control, accurate to +/- 1 F, with a programmable display that can be set as low as 32F. Operating quietly, the unit measures 21"L x 14"W x 15"H and requires 230 Volts at 2.9 Amps, with a recommended flow rate between 474 and 792 GPH through its 1” PVC unions. It also includes a 1-year warranty for peace of mind. The Coolworks DA 500 is an excellent choice for dedicated hobbyists and commercial setups managing large aquariums up to 150 gallons where stable and accurate temperature regulation is paramount. Its robust cooling capacity, energy-efficient design, and durable components make it a reliable long-term solution for maintaining critical water parameters. Please note that a water pump is not included, and the unit requires 200VAC-240VAC power without an included plug.