Main
Suitable for	clean water


Specs
Maximum performance	20000 L/h
Max. pressure	0.9 bar
Minimum liquid level	1 mm
Maximum immersion depth	7 m
Maximum particle size	35 mm
Maximum liquid temperature	35 °С
Dry run protection
Float switch	/ electronic /
Suction system	single-stage
Outlet size	1", 1 1/2"

Engine
Maximum power	550 W
Power source	electric
Mains voltage	230 В
Power cord length	10 m


General specs
Country of origin	Germany
Pump housing material	plastic
Official Website	gardena.com
Added to E-Catalog	July 2025

Equipped with an electronic water level – Aquasensor.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog GARDENA 2026 - new arrivals, bestsellers, and the most relevant models GARDENA.

How to Choose a Submersible (Drainage) PumpWe will look into the operating features of drainage pumps, their types and the main parameters that need to be taken into account when choosing.

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	Gardena 2-in-1 clear/dirty water submersible pump 20000 BASIC 20000 l/h float switch robust and versatile ideal for drainage Amazon.co.uk Delivery: in United Kingdom Report	£56.99 Buy in shop

	Gardena 20000 BASIC Clear and Dirty Water Submersible Water Pump 9018-28 The 20000 BASIC from Gardena is a versatile 2 in 1 pump that can be used for various applications around the home and garden.... moreSuitable for emergencies like home, cellar and basement flooding, this powerful pump can also be used for draining ponds and swimming pools or for transferring large quantities of water around the garden for watering. It combines 20,000 l/h performance with a budget-friendly price that will make it an ideal choice for occasional users. Whether managing household floods or draining a pond, this pump gets the job done with minimal oversight. Its dual functionality allows it to work as clear or dirty water pump with a floating switch that protects the pump from dry running and starts the pump automatically if the water level rises again. The locking function can be used to place it continually in “on” mode for larger jobs and to reach the maximum flat suction result. Features and Benefits • Pump leaves surfaces wipe-dry after draining with just 1mm maximum water residue • Filters out particles up to 35mm, making it suitable for dirty water sources • Can be used as drainage pump or a submersible pump, in both clean or dirty water • Durable build quality with stainless steel shaft for longer service life • Float switch automatically switches pump on or off depending on the water level Specifications • Voltage: 240v UK Mains • Wattage: 550 W • Power Cable Length: 10 metres • Max Delivery Capacity: 20000 l/h • Max Pressure: 0.9 bar • Max Submersion Deph: 7 metres • Max Delivery Head: 9 metres • Max Liquid Temperature: 35°C • IP Rating: IPX8 • Dimensions: 232mm x 184mm x 295mm • Machine Weight: 4.9kg Contents • 20000 BASIC 2 in 1 Submersible Pump 240v Tooled-up.com Delivery: to United Kingdom Report	£56.95 Buy in shop

	Gardena 20000 BASIC Clear and Dirty Water Submersible Water Pump 9018-28 The 20000 BASIC from Gardena is a versatile 2 in 1 pump that can be used for various applications around the home and garden.... moreSuitable for emergencies like home, cellar and basement flooding, this powerful pump can also be used for draining ponds and swimming pools or for transferring large quantities of water around the garden for watering. It combines 20,000 l/h performance with a budget-friendly price that will make it an ideal choice for occasional users. Whether managing household floods or draining a pond, this pump gets the job done with minimal oversight. Its dual functionality allows it to work as clear or dirty water pump with a floating switch that protects the pump from dry running and starts the pump automatically if the water level rises again. The locking function can be used to place it continually in “on” mode for larger jobs and to reach the maximum flat suction result. Features and Benefits • Pump leaves surfaces wipe-dry after draining with just 1mm maximum water residue • Filters out particles up to 35mm, making it suitable for dirty water sources • Can be used as drainage pump or a submersible pump, in both clean or dirty water • Durable build quality with stainless steel shaft for longer service life • Float switch automatically switches pump on or off depending on the water level Specifications • Voltage: 240v UK Mains • Wattage: 550 W • Power Cable Length: 10 metres • Max Delivery Capacity: 20000 l/h • Max Pressure: 0.9 bar • Max Submersion Deph: 7 metres • Max Delivery Head: 9 metres • Max Liquid Temperature: 35°C • IP Rating: IPX8 • Dimensions: 232mm x 184mm x 295mm • Machine Weight: 4.9kg Contents • 20000 BASIC 2 in 1 Submersible Pump 240v Mytoolshed.co.uk Delivery: in United Kingdom Report	£56.95 Buy in shop

	GARDENA 20000 2 in 1 Clear & Dirty Water Submersible Pump - Grey, Blue,Silver/Grey - With 20,000 litres per hour flow rate, you can empty flooded basements, pools or ponds quickly- The integrated float switch... morestarts and stops the pump automatically based on water level- The 2-in-1 functionality handles clear water down to 1 mm and dirty water with particles up to 35 mm- This stainless-steel pump shaft is built to last Currys.co.uk Delivery: to United Kingdom Report	£59.99 Buy in shop

	Gardena 9018-28 water pump 550 W Submersible pump Affordable power: Tackle floods & drainage with GARDENA's 2in1 Water Pump 20000 BASIC GARDENAs 2in1 Clear and Dirty Water... moreSubmersible Pump 2000 BASIC is your stalwart ally for home and garden. Suitable for home cellar and basement flooding this powerful pump is also suitable for pond swimming pool and garden use delivering a 20.000 l/h performance at a budget-friendly price. Affordability meets performance Why pay more for less? GARDENA has pulled out all the stops to bring an affordable pump to the market that offers outstanding value for money. Durable versatile for both clean and dirty water ready to meet a wide range of drainage needs for occasional users. Wipe-dry results The 550 W electric motor and the powerful hydraulic design are engineered for maximum utility delivering water expulsion through the hose at up to 0.9 bar pressure. The pump delivers flat suction performance with just 1 mm of water residue. Powerful performance in clean or dirty water The 2in1 BASIC water pump is as suited to the drainage of dirty water outdoors as it is to managing floods and leakages. Switch effortlessly from clear to dirty water drainage and let the 550 W motor work its magic. The pumps robust rotor can handle grit and grain up to 35 mm in diameter providing powerful drainage even for water filled with floating grain. Excels as submersible or drainage pump Whether managing household floods or draining a pond this pump gets the job done with minimal oversight. Its dual functionality allows it to work as clear or dirty water pump with a floating switch that protects the pump from dry run and starts the pump automatically on a certain water level while expressing up to 20000 litres per hour. The locking function can be used to place it continually in on mode for larger jobs and to reach the maximum flat suction result. Built to last It may be small and portable but this 2in1 water pump is built with serious staying power. The stainless steel pump shaft and durable housing ensure a long service life for indoor and outdoor drainage jobs. Quzo.co.uk Delivery: to United Kingdom Report	£63.20 Buy in shop