Strong and durable AC Pump

The Si-82 centrifugal pump is designed to be easily installed in any environment. It is capable of evacuating up to 500l/h and suitable for air conditioning units and industrial refrigeration displays. It also tolerates charged, high temperature and acidic condensates (pH>2.5) produced by gas condensing boilers.


High performance, up to 5m vertically
High resistance
Easy installation, with plug-in power cord and reversible pump

Technical details

Max flow rate500 l/h
Max discharge head5 m
Max pressure5,4 m
Mains supply230V ~ 50Hz - 70W - 0.67A
Operation conditions30%: 3s ON - 7s OFF
Max condensate temperature65 °C
Max condensate acidityph > 2.5
Tank volume2 l
Weight2,5 kg
Master pack quantity4
Safety switch 
NC4 A resistive - 250V
integrierter Schwimmerschalter
Thermal protection 
105°C (Auto-reset)

Pump dimensions

Pump279 mm130 mm174,5 mm
Tank257,3 mm107,5 mm
Packaging400 mm300 mm200 mm

Detection levels

ON53 mm
OFF42 mm

Pump sound levels

at 3,3ft or 1m in application (dBA)<= 45
Kit contents 
Si-82 one-piece centrifugal pump with tank (2L)
Plug-in power (1.5m, bare ends) & safety switch cord (1.5m, bare ends)
Straight connector Ø ext. 10 mm (3/8”) – Ø ext. 6 mm (1/4”)
2 screws + 2 plugs
Safety standards 
RoHS and WEEE directives 
Technical data sheet (PDF)