A successful plumber must have a thorough knowledge of hydraulic systems. They are patient individuals with a practical mind and manual dexterity, able to work efficiently with great attention to detail. Our goal is to install and maintain well-functioning systems that transport water, waste, gases or hot liquids in your home or office. The SumpJet ® (Model SJ10) is a water powered back-up sump pump that will protect your basement in the case of a power outage. This unique product is powered by your municipal water supply** and requires no electricity to operate! With a compact high efficiency design, The SumpJet ® removes 2 gallons of Trash That Battery Sump Pump & Install a Liberty Pumps SJ10 Back-Up Sump Pump. Update 2015 With Watts #7 Dual Check valve Installed To Prevent Backflow. every 1 gallon of water that goes in 2 come Liberty Sump Pumps are available in plastic, cast iron or aluminum body construction types. Both manual or automatic models are available. Plastic body Liberty sump pumps are commonly used in light duty applications. Aluminum body pumps provide a lighter and a more energy efficient alternative to cast iron sump pumps. Water Powered Back Up Pump with indoor 115v alarm with 9v battery back-up. Compact probe mounted sensor, auxiliary contacts with visual and audio alarm. The SumpJet SJ10 is a water powered back-up sump pump that will protect your basement in the case of a power outage. If the sump pump motor is a 1/4 HP motor then you have to multiply the amperage times the voltage that the pump operates on. A 1/4 HP motor draws 5.8 amps at 115 volts and 2.9 at 230 volts. Each water powered backup pump shall be equal to the IAPMO approved SJ10-Series water powered backup pumps as manufactured by Liberty Pumps, Bergen NY. All components are made of tough non corrosive engineered polymers, stainless steel or brass. This construction meets IAPMO standard PS 119 requirements for pressure, strength, performance, and Liberty Pump