Increased performance, the Si-30 replaces the SI3100 & SI3200. High resistance to pollution created by general environment. Capable of discharging small particles. Proven reliability. Quiet in operation: 20 dBA independently tested. The size of the air-conditioning unit and volume of condensates to be removed does not affect the operational sound level of the pump. New mounting bracket specifically designed to reduce vibration transmission to the wall / panel or pipework. Compact design. New mounting bracket : allows the pump to be wall mounted or hung from ceilings and pipework. Plug-in power cord to make maintenance and replacement hassle free. Improved performance and high flow rate reduce operation time and energy consumption.