• Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - additional view
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - detail view

In Stock

Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22

$336.86 Inc VAT

($280.72 Ex VAT)

  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - additional view
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - detail view
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - additional view
  • Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22 - detail view

In Stock

Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22

$336.86 Inc VAT

($280.72 Ex VAT)

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Full Description

✅ Compatible with the Following Kärcher Models: HDS 70, HDS 580, HDS 610, HDS 650, HDS 690, HDS 745 (OLD), HDS 750, HDS 755, HDS 800 B, HDS 800 BE, HDS 810, HDS 890, HDS 900, HDS 900 B, HDS 990, HDS 1000 BE, HDS 1000 DE, HDS 1200 DE

📌 Also known as the KAR3 coil. Due to model variations — especially on machines built before 2000 — we recommend removing and measuring your existing coil before placing your order.


This powerful 3-coil boiler system is engineered for high-performance hot water delivery in the most demanding cleaning environments. Designed to handle up to 280 Bar (4000 PSI), it provides maximum heat transfer, allowing for efficient removal of grease, grime, and stubborn dirt — ideal for professional, industrial, and heavy-duty domestic use.

Built for durability and heating efficiency, this coil is a smart, reliable upgrade for aging or damaged Kärcher boiler systems.


🔧 Kärcher-Compatible Fitment

  • 22mm male inlet and outlet fittings

  • 60mm spacing between outlet centres

  • Direct fit for a wide range of Kärcher hot water pressure washers


📐 Key Specifications

  • Max Pressure: 280 Bar / 4000 PSI

  • Height: 450mm

  • Diameter: 280mm

  • Connection Type: 22mmM inlet & outlet

  • Outlet Centre Distance: 60mm

  • Coil Structure: 17 rows of 17mm tubing

  • Design: Wider spacing between coils for better airflow, easier maintenance, and improved exhaust output


💡 What Makes This Coil Stand Out?

  • Triple Coil Efficiency: Three layers of heating coils allow for rapid temperature rise and excellent thermal efficiency

  • Optimised Cleaning Performance: Consistent hot water delivery for high-pressure cleaning tasks

  • Easy Maintenance: Open coil spacing makes soot removal easier, extending service life

  • Built to Last: Heavy-duty construction withstands regular commercial use


🧰 Why Choose This Boiler Coil? If you're running a commercial or industrial Kärcher machine, this high-efficiency 3-coil boiler offers the performance and reliability you need. With its easy fitment and robust build, it's the go-to choice for those who demand consistent, high-powered hot water cleaning.


📦 Fast UK Delivery | 🔧 Built for Kärcher Machines | 💨 Ideal for Professional Use

Kärcher Compatible Boiler Coil HDS 745 - KAR3 Equivalent Height 450mm | 280 Bar / 4000 PSI | M22 x M22

$336.86
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