Versatile technology
Available in 
Europe

The Si-27 is suitable for air-conditioning units up to 20 kW. The piston technology is specifically designed for removing condensates from air conditioning systems. The Si-27 is fully reliable in any kind of environment and its sound level remains quiet regardless of the condensate volume.

Patented technology
Silent (20 dBA)
Easy to install
Energy saving

Technical details

Max flow rate20 l/h
Max discharge head10 m
Max suction head3 m
Max pressure14 m
Insulation classDouble insulation
Mains supply230V 50/60Hz 14W
Operation conditions100% Continuous duty
ProtectionIP20
Weight0,48 kg
Master pack quantity20
Safety switch 
NA - NC 8 A resistivo – 250V
Detection 
Block Detection
Thermal protection 
90°C

Pump dimensions

LengthWidthHeight
Pump66 mm43,5 mm76 mm
Detection unit55 mm38 mm37,5 mm
Packaging135 mm135 mm90 mm

Detection levels

ON16 mm
OFF11 mm
SAFETY19 mm

Pump sound levels

at 3,3ft or 1m according to EN ISO3744 (dBA)<= 20
Kit contents 
Piston pump
Mounting bracket
0.8 m plug-in power cable
1.5m clear PVC tube Ø int 6 mm
6 tie wrap
Detection unit (SI2958, 1.5m cable)
Detection unit installation kit
Safety standards 
CE
EAC
RoHS and WEEE directives 
Compliant
Technical data sheet 
Instructions