The Kärcher SP 17,000 Flat Level Sensor submersible pump is the most powerful solution for pumping clean to slightly contaminated water. A powerful flow rate of up to 17,000 l/h, a robust stainless steel housing and an advanced stepless level sensor enable fast and reliable drainage of pools, sumps and the repair of water damage in buildings. The pump enables extremely flat suction down to 1 mm and operation in automatic or manual mode.

Advantages:

• High flow rate of up to 17,000 l/h for fast drainage
• Straight suction to 1 mm water residue
• Stepless level sensor for immediate start upon contact with water
• Option of manual or automatic operation
• Foldable support legs for starting at just 7 mm of water level
• Robust stainless steel housing for long service life
• Removable stainless steel pre-filter to protect the rotor
• Quick Connect connector for easy hose connection
• Suitable for clean and slightly polluted water

Technical specifications:

• Model: SP 17.000 Flat Level Sensor
• Product code: 1.645-840.0
• Type: submersible clean water pump
• Maximum rated motor power: 550 W
• Maximum flow rate: up to 17,000 l/h
• Maximum liquid temperature: 35 °C
• Maximum output height: 9 m
• Maximum pressure: 0.9 bar
• Straight suction: up to 1 mm
• Maximum particle size: 5 mm
• Maximum immersion depth: 7 m
• Connection thread: G1 1/2
• Pressure side connection: G1/2 internal thread
• Power cable length: 10 m
• Voltage: 230-240V
• Frequency: 50 Hz
• Dimensions (L × W × H): 238 × 293 × 356 mm
• Weight without accessories: 6 kg
• Weight with packaging: 7.3 kg

Scope of delivery:

• Submersible pump Kärcher SP 17.000 Flat Level Sensor
• Removable stainless steel pre-filter
• Hose connection 1", 1 1/4" and 1 1/2" with check valve
• Comfortable carrying handle

Areas of application:

• Swimming pool drainage
• Drainage shafts and water collectors
• Flood and water damage restoration
• Pumping clean and slightly polluted water

The Kärcher SP 17.000 Flat Level Sensor is the professional choice for users who need a powerful, precise and reliable submersible pump with flat suction and advanced water level control.

Same summary

This submersible pump is a sensible choice for users who need a powerful and practical solution for pumping out large quantities of water or emptying pools, wells and flooded areas. The electric mode of operation and straight suction allow for efficient work on landscaped areas, while the stainless steel ensures durability, even when in contact with more demanding waters. The device is best suited for those who have a permanent electrical connection available and want stable performance without frequent monitoring.

It may be a little less suitable for remote terrain without electrical power or for very small tasks where excessive capacity would be more of a hindrance than an advantage.

Recommendation source: Enaa guides and team experiences.

User view

Submersible pumps, such as this Kärcher model, are often used by owners of houses, apartments and holiday homes who want to avoid the hassle of watering, emptying flooded basements or maintaining swimming pools. In practice, it is useful where large quantities of water need to be pumped out in a short time, for example during heavy rain or occasional floods. Thanks to the flat suction, it allows for almost complete emptying of the surface, which is particularly convenient for cleaning or preparing the room for drying.

Users like to rely on Kärcher's renowned quality and wide range of products, which are available in one place and also make it easy to supplement their home and garden tools.

Why buy at Enaa

The category transparency and detailed filters on ENAA make it easier to choose the right pump for your needs and application. Ordering is hassle-free, and you can find both spare parts and accessories for water pumps in one place.

Answers to frequently asked questions

What types of water is this submersible pump suitable for?

The pump is intended primarily for clean or slightly dirty water, such as that found in swimming pools, rainwater tanks or during minor flooding in basements.

How low can the pump pump water?

The model allows for flat suction down to approximately 1 mm, which means that after vacuuming, only a thin layer of water remains on the surface, suitable for cleaning or preparing the floor for drying.

Is the pump suitable for continuous operation?

Since it is an electric submersible pump with a powerful stainless steel housing, it is suitable for longer operation, but it is recommended to monitor consumption and usage according to the manufacturer's instructions.

What is the difference between this pump and garden pressure pumps?

This type of pump is primarily intended for pumping out or transferring larger amounts of water at lower pressure, while garden pressure pumps are more suitable for irrigation and supplying water under constant pressure.

Does the device easily adapt to existing piping systems?

Most submersible pumps, including this model, are designed for basic compatibility with standard pipes, but it is recommended to check the diameter and type of connections according to your system.

Description updated: April 2026