
Best selling Irrigation systems from Kärcher
This page always stays fresh and updates automatically.
1. Kärcher Automatic watering system WT 4
For targeted and needs-based watering: The new irrigation timer WT 4.000 is particularly easy to program. Thanks to the detachable control unit, large dials, and clear control panel, programming can be done easily and without effort. The maximum watering duration is 120 minutes. Each watering action starts and stops punctually and automatically at the pre-set time. A tap connection and pre-filter are included, but the required 9-volt battery is not. With Kärcher's irrigation timers, the irrigation system starts and stops automatically at the programmed time. Water only flows when it is truly needed, saving money and protecting the environment. Kärcher irrigation timers are compatible with all common click systems.
Application:
- For watering small to large areas and gardens
- For watering under trees and shrubs
- For watering large vegetable gardens
- For watering crops (small areas, individual, potted plants)
- For watering ornamental plants (small areas, individual, potted plants)
Features and benefits:
- 9-volt battery not included
- Detachable display
- For comfortable programming
- Automatic on/off
- For targeted watering
- Tap connection and pre-filter included
- Individual programming
- For needs-based watering
- Indicator light for programming and battery status
- Manual watering possible
- Max. watering duration: 120 minutes
- Start time adjustable.

2. Kärcher Water Timer WT 2
The WT 2.000 is a 3-way splitter and a watering timer in one. It features two tap connections with independent, infinitely adjustable controls and is characterized by optimized water flow. The third tap connection has an integrated watering timer. The watering duration can be adjusted continuously up to 120 minutes. After the set time has elapsed, the watering stops automatically. The WT 2.000, with a G1 tap connection and G3/4 reducer, is universally applicable in conjunction with all common garden hoses and impresses with its robust quality and ergonomic design for comfortable handling. The smooth coupling nut with the sturdy internal thread ensures easy attachment to the tap. It is compatible with most available click systems.
Application:
- For watering small to large areas and gardens
- For watering large vegetable gardens
- For watering crops (small areas, individual, potted plants)
- For watering ornamental plants (small areas, individual, potted plants)
Features and Benefits:
- 2 independent, adjustable water connections and 1 outlet with a watering timer
- Ideal for connecting three hoses to a single tap with G1 thread
- Smooth coupling nut
- Easy attachment to the tap
- Plastic thread
- Tap connection and pre-filter included
- For quick connection with the garden hose.

3. Kärcher KRS pot watering set
The Kärcher pot irrigation set for terraces is part of the Kärcher Rain System and is ideally suited for the efficient watering of up to 15 plants. Pots and flower boxes can be conveniently watered using a hose system and drippers. The amount of water can be individually regulated at each dripper, allowing for a needs-based irrigation of plants without wasting water. The water supply consists of 10 meters of flexible, phthalate-free 1/2" hose (including a G3/4 tap connection with a G1/2 reducer and hose coupling for connecting to the tap). The connection of the thin hose (10 meters included) is made using sleeves (10 included), which can be attached to the Kärcher Rain System hose without tools, thanks to the integrated needle. In the pots, watering is done through drippers (15 included), which can be secured with the help of ground stakes (15 included). Additionally, end caps (3 small, 1 large) for sealing and T-pieces (10 included) for connecting the hoses are included. The system can be expanded with products from the Kärcher Rain System or the SensoTimer eco.ogic for efficient irrigation control.

4. Kärcher Sealing collar
Seal sleeves are part of the Kärcher Rain System. They can be easily attached anywhere along the Kärcher Rain System hose and reliably seal off unused sleeve holes. The rubberized surface and the integrated pin on the inside make this possible. Installation is quick, easy, and tool-free. The pin is inserted into the hole to be sealed, and the sleeve is closed. This ensures that the hose is securely sealed and can continue to be used without unnecessary water waste. The highly efficient Kärcher Rain System operates at pressures of up to 4 bar, offers a 1/2" hose with drip and spray sleeves, and combines the advantages of micro-dripping and traditional irrigation. The Kärcher Rain System can be individually adapted to almost any garden and works perfectly with the SensoTimer for demand-oriented irrigation control.

Kärcher Sealing collar
Drip irrigation dripper
5. Kärcher Rain Box
The Kärcher Rain Box is the ideal entry into the world of efficient, economical and demand-oriented garden irrigation. The Kärcher Rain Box contains a G1 tap connection with reducer G3/4 for connection to the tap, 2 couplings, 1 filter, 15 m Kärcher Rain System hose (from supply hose and for attaching the sleeves), 10 m drip hose, 4 T-pieces with regulation, 4 I-pieces, 10 drip cuffs and 5 ground spikes for fixing the hoses. All parts can be assembled without tools. The drip cuffs can be attached and regulated to the Kärcher Rain System hose as required (0-10 l/h). The drip tube drips evenly over the entire length and can be optimally adjusted by the adjustable outlet on the T-piece. The system runs at up to 4 bar pressure, can be individually adapted to any garden and works perfectly together with the SensoTimer for demand-oriented irrigation control.

6. Kärcher Pressure reducer
The pressure reducer with filter is part of the Kärcher Rain System®. It reduces the inlet pressure from max. 12 bar to an outlet pressure of 4 bar and is installed between the supply hose and the Kärcher Rain System®. The particle filter protects the system from dirt particles. The filter insert can be easily removed and cleaned. On the input side there is a tap connection which is compatible with all known click systems. The outlet side is the connection for the Kärcher Rain System® hose or the drip hose. The hoses are attached directly and fixed without tools using a union nut. The efficient Kärcher Rain System® irrigation system combines the advantages of micro-dripping and conventional irrigation. It operates at up to 4 bar pressure, can be individually adapted to almost any garden type and works perfectly with the SensoTimer for demand-oriented irrigation control.
Application
- garden irrigation
- flower bed, vegetable bed, hedges
Equipment and benefits:
- Integrated filter
- Protection of the Kärcher Rain System® against dirt particles.
- Integrated pressure reducer
- Reduces inlet pressure from max. 12 bar to 4 bar outlet pressure.
- Removable filter insert
- Filter is easy to clean.
- Ergonomic design
- Easy to handle.

7. Kärcher I-piece
The I-piece is part of the Kärcher Rain System®. It connects two Kärcher Rain System® hoses or drip hoses and allows individual adaptation as required. The I-piece is ideal for connecting the drip hose to the end of the Kärcher Rain System® hose or connecting two Kärcher Rain System® hoses together. The hose is mounted without tools and is particularly simple. The hose is simply pushed onto the I-piece and fixed with a union nut. The Kärcher Rain System® combines the advantages of micro-ripping and conventional irrigation. The highly efficient watering system works with up to 4 bar pressure, offers a 1/2" hose with drip and spray sleeves, can be individually adapted to almost any garden and works perfectly together with the SensoTimer for demand-oriented watering control.
Application:
Garden irrigation
hedges, bushes, flower beds, vegetable beds
Facilities & Benefits:
I-piece with two connections
For connecting Kärcher Rain System® hoses and drip hoses.
Ergonomic design
Easy handling

8. Kärcher Nozzle set
The nozzle set is a supplementary kit for the Kärcher Rain System and includes 5 drip sleeves, 10 sealing and spray sleeves (4x 90°; 4x 180°; 2x 360°), and 5 ground stakes. The drip and spray sleeves can be attached anywhere along the Kärcher Rain System hose. The installation of the sleeves is quick, easy, and tool-free. The integrated needle of the opened sleeve is simply pierced into the hose. By closing it, the sleeve is securely fixed to the hose. The water flow of the drip sleeve can be adjusted as needed (0-10 l/h). The spray angle can be adjusted horizontally and vertically thanks to the rotatable spray sleeve head. The water flow at the nozzle can be efficiently and resource-consciously regulated from 0 to 55 l/h. Unnecessary hose holes can be securely sealed again with the sealing sleeves. The Kärcher Rain System operates at a maximum of 4 bar, combines the advantages of micro-dripping and traditional watering, and can be individually adapted to almost any garden.

9. Kärcher Particle filter
The particle filter protects the Kärcher Rain System from dirt particles. The filter is installed at the end of the supply hose where it connects to the Kärcher Rain System. The filter insert can be easily removed and cleaned at any time. There is a tap connection on the inlet side that is compatible with all common click systems. The outlet side forms the connection for the Kärcher Rain System hose or the drip hose. The hoses are simply pushed on directly and secured without tools using the union nut. The efficient Kärcher Rain System combines the benefits of micro-dripping and traditional irrigation. The system operates with up to 4 bar of pressure, can be individually adapted to almost any type of garden, and works perfectly with the SensoTimer for demand-oriented irrigation control. Application: garden irrigation, flower beds, vegetable beds, hedges. Features and benefits: integrated filter, protection of the Kärcher Rain System from dirt particles, removable filter insert, filter is easy to clean, ergonomic design.

Kärcher Particle filter
Drip hose + drip tube
10. Kärcher End piece
The end piece is part of the Kärcher Rain System. It seals the Kärcher Rain System hose or the drip hose, allowing the system to be individually and flexibly adapted to the specific garden situation. The laid or shortened hoses can be sealed at any point. The hose installation is tool-free and very easy. The hose is simply pushed onto the end piece and secured with the help of the nut. The Kärcher Rain System combines the advantages of micro-dripping and traditional irrigation. It operates with up to 4 bar pressure and offers a 1/2" hose with drip and spray sleeves. The Kärcher Rain System can be individually adapted to almost any garden and works perfectly with the SensoTimer for economical and demand-oriented irrigation control.
Application:
- Garden irrigation
- Hedges, bushes, flower beds, vegetable beds
Features and Benefits:
- End piece - Secure closure of the Kärcher Rain System hose or the drip hose.
- Ergonomic design - Easy handling.

Kärcher End piece
Drip irrigation connector + branch