KÄRCHER - Submersible Pumps & Well Pumps

For the basement, garden, wells & rainwater - reliable water delivery for the home and garden

KÄRCHER offers a range of pumps to provide reliable water delivery for your home and garden. Whether you need to drain a flooded basement, water your garden, or utilise harvested rainwater, submersible and well pumps are versatile devices for a wide range of applications.

This category includes various pump types such as submersible pumps, deep well pumps, cistern pumps, and water butt pumps. Depending on the application, these devices differ in their delivery head, flow rate, and design. While submersible pumps are commonly used for draining water from a flooded basement or ponds, well and cistern pumps are specifically designed for garden irrigation using groundwater or collected rainwater.

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Typical Applications
Kärcher submersible and well pumps are used for numerous tasks where water needs to be drained or transported.

  • Draining flooded basements or construction pits
  • Garden irrigation using rainwater from a cistern or water butt
  • Water delivery from wells or deep wells
  • Emptying pools, ponds, or containers
  • Utilising harvested rainwater for sustainable garden care

Available in various designs and performance levels, these pumps can be adapted to the specific task at hand.

Which is the right pump for me?
Choosing a pump depends on the intended application and the water source.

  • For flooded basements or ponds → Submersible pumps
  • For deep wells → Deep well pumps
  • For rainwater storage tanks or cisterns → Cistern pumps
  • For garden water butts → Water butt pumps

The most important factors to consider are delivery head, flow rate, and maximum immersion depth.

Key Selection Criteria
When purchasing a water pump, you will need to consider the following technical specifications:

  • Delivery head (m) – the maximum height to which water can be pumped
  • Flow rate (l/h) – the volume of water transported per hour
  • Immersion depth – the maximum depth at which the pump can be used
  • Particle size – relevant for dirty water (trash) pumps
  • Automatic on/off switching

These values determine whether a pump is suitable for a specific application.

How does a submersible pump work?
A submersible pump is placed in the body of water. An electric motor drives an impeller that draws water in and delivers it upwards via a hose or connection. Since the pump operates within the water, it does not need to prime (draw water in) first, allowing for highly efficient delivery. Many models also feature float switches or sensors that automatically turn the pump on or off once a certain water level is reached.

How does a well pump work, and how to choose the right one
A well pump delivers water from a well or underground water source to the surface. An electric motor drives an internal impeller, creating a vacuum. This suctions the water and transports it upwards through a delivery pipe. Depending on the design, the pump is either installed directly in the water - as with a deep well pump - or operated outside the well. Well pumps are frequently used for garden irrigation, sprinkler systems, or to utilise groundwater. The type of well pump you need depends on the well depth, required delivery head, and desired water volume. Typical differences include:

  • Deep well pumps - for narrow and deep boreholes
  • Cistern pumps - ideal for rainwater storage tanks and garden irrigation
  • Water butt pumps - suitable for rain barrels or water butts