Hydromatic S25 Domestic Sump Pump is a versatile and reliable device designed to protect your home from water damage. It features an automatic level control with a mechanical (mercury free) ball float switch, ensuring the pump starts and stops automatically as water levels rise and fall. The S25 is capable of removing large volumes of water quickly and efficiently, with a maximum flow rate of 25 gallons per minute. It is suitable for use in various applications, including flooded basements, crawl spaces, and utility rooms.