Sauermann engineers have redesigned the tank pump from the inside-out, making the Si-83 more compact than any other tank pump in its class, all while redefining just how easy tank pump installation and maintenance can be in the field. The Si-83 even comes with a customized Smartphone App that makes installation both simple and intuitive.
Inquire nowThe Tank Pump Re-Invented
The Si-83 is constructed from rugged materials and components for exceptional durability and reliability. The Si-83 tank pump from Sauermann is perfect for residential A/C (up to 20 kW) and heating units (up to 40 kW).
Very High Performances
Quicker & Easier Installation in any place
Quicker & Easier Maintenance
Exceptional Durability and Reliability
| Technical details | |
| Max discharge head | 5.4 m |
| Max pressure | 5.7 m |
| Mains supply | 230 V~ 50 Hz - 115 W – 1.4 A |
| Operation conditions | 7%: 16s ON - 212s OFF |
| Protection | IP44 |
| Max condensate temperature | 55 °C |
| Max condensate acidity | pH > 2,5 (Gas condensing boilers) |
| Color | Black, blue |
| Tank volume | 2 L |
| Weight | 1.83 g |
| Master pack quantity | 105 |
| Safety switch | NC: 5 A resistive 250 V (SI83CE01UN23, SI83CE04UN23). NO: 5 A resistive 250 V (SI83CE41UN23). NC/NO: 5 A resistive 250 V (SI83CE71UN23, SI83CE74UN23) |
| Pump Dimensions | ||
| Pump | Packaging | |
| Length | 287 mm | 315 mm |
| Width | 146 mm | 151 mm |
| Height | 129 mm | 175 mm |
| Safety standards |
| CE |
| ROHS and WEE directives |
| Compliant |
1 One-piece centrifugal pump with 2 l tank
1 Integrated barb end check valve, Ø ext. 10 mm
1 1.8 m power cord, plug. (SI83CE04UN23, SI83CE74UN23: bare ends)
1 Built-in safety switch, 1 m wires, plug, NC (SI83CE01UN23), NO (SI83CE41UN23) or NC/NO (SI83CE71UN23)
1 Built-in safety switch, 1 m wires, stripped wires: NC (SI83CE04UN23), NC/NO (SI83CE74UN23)
2 screws, 2 plugs
1 Straight connector with tube and ziptie for Ø 6 mm int. tubes