Sauermann Si-33 Condensate Pump

The high capacity Si-33 (30l/h) is suitable for air-conditioning units from 20 kW up to 30 kW.

The piston pump inside the Si-33 is specifically designed for removing condensates from air conditioning systems, whatever the environment.

Sauermann Si-33 Condensate Pump

  • High performance: pump suitable for air-conditioning units from 20 kW up to 30 kW
  • High resistance to pollution created by the general environment
  • Capable of discharging small particles
  • Proven Reliability
  • The Drain Safe Device retains prime and prolongs the pump life
Low sound level
  • Low sound level in operation: 34 dBA independently tested
  • Mounting bracket specifically designed to reduce vibration transmission to the wall/panel or pipework
Easy to install - Compact design
  • New mounting bracket: allows the pump to be wall mounted or hung from ceilings and pipework
  • Lockable plug-in power cord to avoid unintended disconnection
  • Improved performance and high flow rate reduce operation time and energy consumption.


Max. flow:30.0 litres/hr @ 0m head
Max. suction lift:4m
Power supply:230 V AC, 21.0 Watt, 50/60 Hz
Class:II appliance
Max. water temp.not specified
IP protection:IP20
Max. recommended head:13m
Sound level:34 dB(A) @ 1m
Rated:50%: 3s ON – 3s OFF
Max. AC unit output:30.0 kW
Discharge tube:6mm ID
Safety switch:8.0 A resistive

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