The high performance Sauermann SI 10 Mini Condensate Removal Pump is suitable for air-conditioning units up to 5.6 tons (67 kBtu - 20 kW). The piston technology of the Sauermann SI10 is specifically designed for removing condensates from air conditioning systems. The Sauermann Si-10 is fully reliable, in any kind of environment. Its operating sound level will remain silent whatever the volume of condensates.