SAUERMANN SI-20 MINI CONDENSATE DRAIN PUMP FOR INDOOR AIR CONDITIONERS 230V

The Sauermann Si-20, part number SI20CE02UN23, is an ultra-compact mini piston pump for draining condensate from air conditioners up to 20 kW. Designed to be integrated into the unit, it is ideal for invisible and silent installations in residential or commercial systems.

Thanks to its streamlined design (27 × 27 mm), it can be installed in very small spaces or directly on cold pipes using clamp connections. Extremely quiet operation (19 dBA) and patented technology make it one of the most efficient and reliable pumps in its class.

Technical Specifications:

Code: SI20CE02UN23
Technology: High-efficiency piston pump
Power supply: 230 V – 50 Hz
Power consumption: 15 W
Maximum flow rate: 20 l/h
Maximum delivery height: 10 m (flow rate = 4 l/h)
Maximum pressure: 14 m (zero flow rate)
Maximum suction height: 3 m
Sound level: only 19 dBA
Maximum condensate temperature: 35°C
Thermal protection: 115°C with automatic restart
Detection levels: ON 16 mm, OFF 11 mm, alarm 19 mm
Safety contact: NC 6 A – 250 V
Insulation class: Double insulation
Protection: IPX2
Duty cycle: 100% continuous
Certifications: CE, EAC, UKCA, RoHS, WEEE
Pump dimensions: 180 × 27 × 27 mm
Packaging dimensions: 178 × 178 × 72 mm
Weight (with packaging): 0.46 kg

Kit includes:

Si-20 pump with 0.2 m cable
Detection block with 1.5 m cable
PVC pipe Ø 6 mm x 1 m with pre-assembled anti-siphon fitting
Various fittings, clamps, mounting rail, and plate
Rubber shock absorber to reduce vibration

Applications:

Split, ducted, and cassette air conditioners
Integrated or internal installations in the evaporator unit