SP 22.000 Dirt

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Submersible Pump

22,000 l/h, robust and reliable: The submersible dirty water pump SP 22,000 Dirt with integrated prefilter and height-adjustable float switch for greater flexibility. Part no. 1.645-850.0
SP 9.500 Dirt

Ceramic face seal for extra long lifetime .

SP 22.000 Dirt

Quick connect.

SP 16.000 Dual

Height adjustable float switch.

Product video

The SP 22,000 Dirt is the most powerful submersible dirty water pump from Kärcher. With up to 22,000 l/h, it is perfect for particularly challenging drainage tasks such as in large garden ponds, flooded basements or construction pits. The pumps can handle dirt particles of up to 30 mm. If larger dirt particles threaten to cause a blockage, the integrated stainless steel prefilter can be pulled down to protect the pump impeller. The slide ring sealing also used in the Professional range ensures an extra-long lifetime. There is even the option to extend the warranty to five years. The float switch enables other practical functions: It automatically switches the pump on and off depending on the water level, prevents dry running and its height can be adjusted. It can also be secured so that the submersible pump pumps out down to a depth of 35 mm during continuous operation. The Quick Connect connection thread also enables the quick and simple connection of 1", 1 1/4" and 1 1/2" hoses.

Features & Benefits

  • Switch easily between dirty water and flat suction
  • Height-adjustable float switch allows user to set switch on/off point of pump
  • Reliable pumping of water with dirt particles up to 30 mm in size
  • Integrated stainless steel pre-filter
  • In automatic operation, the pump automatically switches with the water level
  • In manual operation, the pump runs continuously to ensure the minimum quantity of residual water
  • Comfortable carrying handle


  • Hose connection piece (G1, 1", 1¼", 1½")
  • Float switch

Application areas

  • Pumping water from garden ponds
  • Use in the event of flooding
  • Draining building pits up to max 100m³
Product code 1.645-850.0
Max motor rating 750 W
Max flow rate < 22000 L/h
Delivery temperature max 35°C
Delivery head 8 m
Pressure 0.8 bar max.
Grain size 30 mm max.
Immersion depth 7 m max.
Residual water height 35 mm min.
Connection thread G1 1/2
Pressure side connection thread G1/2 internal thread
Power cable 10 m
Voltage 230 - 240 V | 50 Hz
Weight 6.5 kg
Dimensions L230 x W291 x H354 mm
Spec Sheet Download PDF
Manual Download PDF
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