Genuine Sauermann Si-21 Silent Flow intelligent diaphragm condensate pump for air-conditioning systems where exceptionally quiet operation is required.
- Manufacturer reference: SI21CU01UN00
- Maximum flow rate: 20 L/h
- Maximum discharge head: 15 m
- Maximum pressure: 20 m
- Maximum suction head: 1.8 m
- Power supply: Univolt 100–240 V, 50/60 Hz, 3 W
- Protection: IP42
- Sound level: 17 dBA
- Continuous duty
- Maximum condensate temperature: 35°C
- Safety switch: NC 3 A resistive, 250 V
The intelligent diaphragm technology initially operates at higher flow and then adapts to the installation demand, allowing exceptionally quiet operation in bedrooms, offices and other noise-sensitive locations.