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GARDENA 9023-20 hydropower pump 800W 3700l/h 4.1 bar - 09023-20

Supplier number: GARDENA 09023-20 | EAN 4078500054720
Recommended Retail Price €170.44
136.68 tax incl.
€112.96 excl. VAT (incl. all environmental contributions)
On order: delivered from 06/10/2026

  • Ordered before 20:00 - delivered as of 06/10/2026
  • Free shipping
  • Delivery by DHL
  • Delivered from Belgium

Perfect combination

Automatic water supply with Gardena

Practical benefits
  • Powerful consistent water pressure: With 800W of power and 4.1 bar, you easily pump service water to your domestic applications.
  • Low maintenance pressure tank: The integrated 19L tank with EPDM membrane delivers water instantly without constantly starting the motor.
  • Durable and protected design: Thermal protection and a stainless steel pump shaft ensure you enjoy reliable and trouble-free long-term operation.

In a nutshell

The right choise for

Ensure a reliable domestic and garden water supply with the Gardena 3700/4 pressure tank unit (9023-20). Driven by an 800W motor producing 4.1 bar of pressure, it delivers up to 3700L/H of rainwater or well water directly to your toilets, washing machines, or garden sprinklers. The integrated 19L pressure tank with an epdm membrane supplies water on demand, preventing the pump from constantly restarting. Featuring a 7m maximum suction depth and standard G1" threaded connections, it connects easily to wells or cisterns. a stainless steel shaft, ceramic seal, and built-in thermal protection switch guarantee long-lasting, trouble-free operation.



€136.68
tax incl.

Product information

Key features according to our expert

  • Flow rate: 3700 l/h
  • Max. suction with self-priming: 7 m
  • Power: 800 W

Product description:

  • Hydrophore pump 3700/4
  • Powerful and durable water supply for home and garden

Features:

  • The GARDENA Pressure Tank Unit 3700/4 is a durable and powerful solution for automated water supply in the home and garden.
  • After simple installation, the domestic tank unit becomes an integral part of the pipe system and allows you to use rain or well water for watering the garden or as service water in your household, e.g. for toilets.
  • Water collected in wells, cisterns or rain barrels is taken by the powerful electric pump to where it is needed in the house and garden.
  • The Pressure Tank Unit 3700/4 delivers an impressive output of 4.1 bar at 800 W and can pump up to 3700 litres of water per hour from a depth of 7 metres.
  • It has a 19-litre water tank with a low-maintenance EPDM membrane and can be easily filled or emptied manually.
  • A drain plug ensures that water can be quickly drained from the tank, for example when frost is predicted.
  • The compact pressure tank unit by GARDENA not only saves space, but also convinces with a robust glass-fibre reinforced plastic housing and a ceramic double sealing system with a pump shaft made of stainless steel.
  • An integrated thermal stop switch protects it from any risk of damage due to overheating.
  • It has a non-return valve and high-quality threaded brass inserts.
  • These aspects not only increase durability, but also make it easier for you to use the unit as a reliable, low-maintenance permanent fixture in your home's plumbing.
  • The practical pressure gauge always indicates the current pressure in the storage tank.
  • The additional G1" double connection makes the use of the Pressure Tank Unit 3700/4 even more versatile, as you can attach high-quality original GARDENA System products and accessories.
  • You receive a 5-year warranty from GARDENA on this durable, powerful, and German-designed pressure tank unit for domestic use with easy online registration Feel the power of GARDENA pumps with more than 40 years of experience in drainage, irrigation and domestic use.

All Features

Flow rate
3700 l/h
Max. suction with self-priming
7 m
Power
800 W
  • Brand GARDENA
  • EAN 4078500054720
  • Supplier number GARDENA 09023-20

Frequently asked questions about this product

Answered by specialists
What is this pressure tank unit used for?
You use it for automatic domestic and garden water supply, such as flushing toilets or watering the garden with rain or well water.
What is the capacity of the pressure tank?
This pressure tank unit is equipped with an integrated 19 l storage tank.
What is the maximum suction depth?
The maximum self-priming suction depth is 7 m.
Does the unit turn on and off automatically?
Yes, when water is drawn, the pump switches on automatically and turns off once the working pressure is restored.
What thread connection does this pump use?
The pump is fitted with standard G1" (33.3 mm) threaded connections.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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