The Moonshan Heat H2O Instant Hot Water Recirculation System Pump is a programmable timer designed for efficient water heating. With a voltage of 120 volts and the power source being corded electric, this system is compatible with both gas and electric tanks. Made of durable stainless steel material in a sleek blue color, this water recirculation system features a 24-hour dial for easy programming. The compact dimensions of 8.3 inches in height and 7.6 inches in width make it suitable for various home heating and cooling needs.