The Tank Pump Re-Invented

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 is equally proficient for air conditioning and refrigeration applications as it is for heating applications.

Very High Performances
Quicker & Easier Maintenance
Quicker & Easier Installation in any place
Exceptional Durability and Reliability

Detalles técnicos

Caudal máx.145 gph
Altura de descarga máx.21 ft
Presión máx.22 ft
Alimentación eléctrica120 V~ 60 Hz - 84 W – 1.7 A (SI83ULx2UN12). 230 V~ 60 Hz – 1.25 A (SI83ULx2UN23)
Ciclo de funcionamiento7% non continuous
Max condensate temperature131 °F
Max condensate aciditypH > 2.5 (Gas condensing boilers)
Protección IP44
Volumen del depósito0.50 g
Peso4 lb
ColorBlack, blue
Cantidad por sobreembalaje105
Contacto de seguridad 
5 A - 42 V peak (SI83UL02UN12, SI83UL02UN23: NC. SI83UL42UN12, SI83UL42UN23: NO. SI83UL72UN12, SI83UL72UN23: NO/NC)
Protección térmica (sobrecalentamiento) 
Yes: 248°F (120°C) (auto reset)


Pump11 5/16''5 3/4''5 1/16''
Packaging12 3/8''5 15/16''6 7/8''
Contenido del kit 
One-piece centrifugal pump with ½ gallon (2 l) tank
Integrated barb end check valve, Ø ext. 3/8” (10 mm)
6’ (1.8 m) power cord, US plug
Built-in safety switch, 3’ (1 m) wires, bare ends
Adaptor int. Ø 5/8”- 3/4”- 1” - 1 1/4”- 1 1/2” (15/17 mm - 20 mm - 24/25 mm - 32 mm - 40 mm)
2 screws, 2 plugs
Contacto de seguridad  
UL/CSA by Intertek
Directivas RoHS y DEEE