Nozzle cartridge up to 1100 l/h - HD
Nozzle insert for spray injector 3.637-001 for applying cleaning agent in high-pressure operation. For devices with a water volume of up to 1,100 l / h.

Technical data
Connection thread: M22 x 1.5
Weight including packaging (Kg): 0.055

Compatible devices:
CURRENT PRODUCTS
HD 10/15-4 Cage Food
HD 10/19-4 St H
HD 10/21-4 S
HD 10/21-4 S Classic
HD 10/21-4 S Plus
HD 10/21-4 SXA Plus
HD 10/21-4St
HD 10/25-4 S
HD 10/25-4 S Classic
HD 10/25-4 S Plus
HD 10/25-4 SXA Plus
HD 5/12 C Plus
HD 5/12 CX Plus
HD 5/13 EX EB+ Foam Classic AE
HD 5/15 C
HD 5/15 C Plus
HD 5/15 CX Plus
HD 5/15 CX Plus + FR Classic
HD 5/17 C Plus
HD 5/17 CX Plus
HD 6/13 C Plus
HD 6/13 C Plus + FR Classic
HD 6/13 CX Plus
HD 6/15 M CageEB Anniversary edition
HD 6/15 M Edition Power Control
HD 6/15 M Plus
HD 6/15 M Portable
HD 6/15 M St
HD 6/16-4 M Cage
HD 6/16-4 M Plus
HD 7/14 -4M Plus
HD 7/14-4 M Cage
HD 7/15 G
HD 7/17 M Cage
HD 7/17 M Plus
HD 7/17 M Portable
HD 7/17 M St
HD 728 B Cage
HD 8/18-4 M
HD 8/18-4 M Cage
HD 8/18-4 M Plus
HD 8/18-4 M St
HD 8/18-4 MXA Plus Farmer
HD 8/18-4St
HD 8/18-4St H
HD 9/20-4 S
HD 9/20-4 S Plus
HD 9/20-4 SXA Plus
HD 9/23 De
HD 9/23 De Tr1
HD 9/23 G
HD 9/23 Ge Tr1
HDC Adv
HDC Classic
HDC Standard
HDS 10/21 -4 St
HDS 10/21 -4 St Gas
HDS 10/21-4 M
HDS 10/21-4 M Classic
HDS 10/21-4 MXA
HDS 1000 Be
HDS 1000 De
HDS 1000 De Weed
HDS 13/20-4 S Classic
HDS 5/11 U
HDS 5/13 U
HDS 5/13 U Anniversary Edition
HDS 5/13 UX
HDS 5/15 U
HDS 5/15 UX
HDS 5/15 UX Plus
HDS 6/14-4 C
HDS 6/14-4 CX
HDS 6/15 C
HDS 6/15 CXA
HDS 7/16 C
HDS 7/16 CXA
HDS 7/16-4 C Anniversary Edition
HDS 8/18 -4 St
HDS 8/18-4 C
HDS 8/18-4 CXA
HDS 8/20 De
HDS 8/20 G
HDS 9/17-4 CX
HDS 9/20-4 M
HDS 9/20-4 M Classic
HDS 9/20-4 MXA
HDS-E 8/16 -4 M 36 kW
HDS-E 8/16-4 M 12 KW
HDS-E 8/16-4 M 24KW
RM injector for high and low pressure (without nozzles)
RM high and low pressure injector (nozzle free)

DISCONTINUED PRODUCTS
HD 10/23-4 S Plus
HD 10/23-4 SX Plus
HD 10/25-4 Cage Plus
HD 10/25-4 S Plus
HD 10/25-4 SX Plus
HD 13/12-4 ST
HD 5/11 P
HD 5/11 P Plus
HD 7/16-4 M Cage
HD 7/16-4 ST
HD 7/16-4M Plus
HD 9/18-4 ST
HD 9/20-4 M Plus
HD 9/20-4 MX Plus
HDS 10/20-4 M
HDS 10/20-4 MX
HDS 12/14-4 ST
HDS 12/14-4 ST Gas
HDS 12/14-4 ST Gas LPG
HDS 6/14 C
HDS 6/14 CX
HDS 7/16 C
HDS 7/16 CX
HDS 7/16-4 C Basic
HDS 8/18-4 C
HDS 8/18-4 CX
HDS 8/18-4 M
HDS 9/14-4 ST
HDS 9/16-4 ST Gas
HDS 9/18-4 M
HDS 9/18-4 MX

Same summary

The Karcher PROFI Nozzle Insert up to 1100 l/h is suitable for users who want a reliable nozzle adapted to larger high-pressure cleaners in a domestic or semi-professional environment. The product is particularly suitable for those who regularly clean larger outdoor areas such as terraces, driveways or vehicles and need optimal performance without complicated installation. It is important to check the compatibility with your cleaner model before purchasing, as it is not universal for all devices.

Recommendation source: Enaa guides and team experiences.

User view

This nozzle insert is typically used by households or individuals who already have a pressure washer and want to take advantage of its power to clean harder surfaces. In practice, it is often needed by home or weekend home owners who need to keep their yards, facades or larger sidewalks clean.

Many users also trust the wide range of accessories and proven quality of the Kärcher brand, as it makes it easy to find the right spare parts and ensures compatibility with the entire ecosystem of devices.

Why buy at Enaa

At Enaa you can choose from a comprehensive range of original accessories for high-pressure cleaners, and each product is accompanied by professional information to help you make the right choice. In addition to a neat overview by category, you can quickly compare the compatibility of accessories with your cleaner for an even better user experience.

Answers to frequently asked questions

Does this nozzle insert fit all pressure washer models?

The cartridge is intended for a specific model group and is not universal. Before choosing, check the required flow rate (up to 1100 l/h) and the connection system on your high-pressure cleaner.

For which types of cleaning is this nozzle insert particularly suitable?

It will offer the best performance when cleaning larger outdoor areas such as patios, sidewalks and driveways, and when cleaning vehicles where a stable and powerful water flow is important.

What should I consider when maintaining the nozzle insert?

After each use, we recommend a quick rinse under water to remove any dirt or limescale residue. This will help the cartridge remain effective for longer.

Can I use this cartridge with non-original equipment?

Use with accessories from other manufacturers is not recommended if the connections or technical requirements do not match perfectly. With original Kärcher solutions you reduce the risk of incompatibility or poor performance.

How do I choose the right cartridge for my purifier?

It is essential to check the maximum flow rate (l/h) and connection type on your appliance. If you need more help, you can consult our pressure washer accessories category.

Description updated: April 2026