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Si-83 Pack 1

Sauermann engineers have redesigned the tank pump from the inside-out,
making the Si-83 more durable, compact, and powerful 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.

The Si-83 is constructed from rugged materials and components for exceptional durability and reliability. And its unmatched versatility means that the Si-83 tank pump from Sauermann primarily dedicated to air conditioning and refrigeration applications is equally proficient for heating applications.

Very High Performances


Max flow rate                       700 l/h

Max discharge head              5.4 m

Max pressure                         5.7 mm

Mains supply                         230 V~ 50 Hz - 115 W – 1.4 A

Operation conditions               7 % non-continuous

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)


                        Length           Width         Height

Pump                287 mm       146 mm      129 mm

Packaging         315 mm       151 mm       175 mm





Ref: SI83CE01UN23 - SI83CE41UN23 - SI83CE71UN23 - SI83CE04UN23 - SI83CE74UN23

Quicker & Easier Installation in any place


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

Quicker & Easier Maintenance
Tank Pump
Exceptional Durability and Reliability
The Tank Pump Re-Invented
Si-83 Tank Pump Data Sheets
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