Inside the unit pump
Available in 

The Si-20 is designed to easily fit inside mini-split air conditioning units. The Si-20 is fully reliable in any kind of environment. Its operating sound level remains silent whatever the volume of condensates.

Easy installation
High Reliability
Energy saving

Technical details

Max flow rate20 l/h
Max discharge head10 m
Max pressure14 m
Insulation classDouble insulation
Mains supply230V~ 50/60Hz - 14 W
Operation conditions100%
Weight0,73 kg
ColorRAL 9010
Master pack quantity6
Safety switch 
NC 8 A résistive – 250V
Detection unit
Thermal protection 
115°C (auto-reset)

Pump dimensions

Pump136 mm38 mm38 mm
Detection unit55 mm38 mm38 mm
Packaging170 mm170 mm72 mm

Detection levels

ON16 mm
OFF11 mm

Pump sound levels

at 3,3ft or 1m according to EN ISO3744 (dBA)<= 25
Kit contents 
Si-20 piston pump
Detection unit, 0.63 m cable
2 anti-vibration rubber dampers
Clear PVC tube  int. 6 mm – L: 60 mm, fitted with a « Drain Safe Device » pre-mounted
1.5 m power cable: 2 power wires, 2 safety contact wires.
Detection unit installation kit:rubber elbow 90° Ø int. 15 x L 152 mm,vent tube Ø int. Ø int. 4 x L 75 mm,3 double wire clamps
Safety standards 
RoHS and WEEE directives 
Technical data sheet 
Wiring diagram