Available in:
US
Latin America
Ref:
SI83UL02UN12 (120v) & SI83UL02UN23 (230v)

The Tank Pump Re-Invented

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. 

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 / 60,000 BTU) and heating units (73 kW / 250,000 BTU).

Exceptional Durability and Reliability

Quicker & Easier Maintenance

Quick & Easy Installation in any place

Regular Duty

Technical details

  • Max discharge head
    21 ft
  • Mains supply
    120 V~ 60 Hz - 84 W – 1.7 A (SI83ULx2UN12). 230 V~ 60 Hz – 1.25 A (SI83ULx2UN23)
  • Operation conditions
    7%: 16s ON - 212s OFF
  • Protection
    IP44
  • Max condensate temperature
    130 °F
  • Max condensate acidity
    pH > 2.5 (Gas condensing boilers)
  • Color
    Negro, azul
  • Tank volume
    0.5 ft³
  • Weight
    4 pounds
  • Master pack quantity
    105
  • Safety switch
    5 A - 42 V peak (SI83UL02UN12, SI83UL02UN23: NC. SI83UL42UN12, SI83UL42UN23: NO. SI83UL72UN12, SI83UL72UN23: NO/NC)
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Pump Dimensions

  • Length
    Width
    Height
  • Pump
    11 5/16 inches
    5 3/4 inches
    5 5/16 inches
  • Packaging
    12 3/8 inches
    5 15/16 inches
    6 7/8 inches
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Safety standards

  • UL/CSA by Intertek
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ROHS and WEE directives

  • Compliant
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1 One-piece centrifugal pump with ½ gallon (2 l) tank
1 Integrated barb end check valve, Ø ext. 3/8” (10 mm)
1 6’ (1.8 m) power cord, US plug
1 Built-in safety switch, 3’ (1 m) wires, bare ends
1 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