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).

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
• Max condensate temperature
  130 °F
• Max condensate acidity
  pH > 2.5 (Gas condensing boilers)
• Color
  Black, blue
• Tank volume
  0.5 ft³
• Weight
  4 pounds
• Master pack quantity
  5
• Safety switch
  NC 5A - 42 V peak