Compact, with up to 30 l/h flow rate
Available in 

Suitable for air-conditioning units up to 30 kW, the powerful Si-63 is equiped with the Sauermann piston pump technology specifically designed for removing condensates. It has a 0.37L tank, but is still very compact and easy to install.

Patented piston technology, with high flow up to 30l/h
Easy to install, with plug-in power cable
Detection resitant to pollution
Low sound level

Technical details

Max flow rate5 gph, 30 l/h
Max discharge head30 ft, 13 m
Max pressure18 m
Insulation classDouble insulation
Mains supply230V ~ 50/60Hz ~ 21W
Operation conditions50% (3s ON - 3s OFF)
Tank volume0,37 l
Weight0,63 kg
Master pack quantity4
Safety switch 
NC 8A resistive - 250V
Integrated, magnets
Thermal protection 
115°C (Auto-reset)

Pump dimensions

Pump168 mm90 mm88 mm
Packaging206 mm115 mm106 mm

Detection levels

ON28 mm
OFF24 mm

Pump sound levels

at 3,3ft or 1m in application (dBA)<= 54
Kit contents 
Si-63 piston pump
Integrated float detection unit
1.5m lockable plug-in power cable: 2 power wires, 2 safety switch wires
Inlet rubber adapter int.15-20-24-32-40mm
Rubber elbow 90° int. 15mm, Length 60 mm
Plastic elbow 90° for tubing int. 6mm
1 tie wrap 2.5x100mm
Safety standards 
RoHS and WEEE directives 
Technical data sheet