Connection Guide
EASY!Lock Connections

Grey EASY!Lock accessory connections
Quick 360° turn-to-lock trapezoidal thread. TR20 nozzles & TR22 guns, lances, & hoses. Fits most newer Karcher Professional machines
Metric Thread Connections

Black metric thread accessory connections
Conventional metric thread connections. M18 nozzles & M22 guns, lances, hoses and accessories. Used on most older Kärcher Professional and selected Classic Range machines
AVS Anti-Twist Connections

AVS Swivel Connections
AVS connections can be used with EASY!Lock high-pressure hoses, older M22 thread trigger guns and high-pressure hose reel connections. The rotating AVS connection helps prevent the high-pressure hose from twisting and tangling during use.
Reliable Connections for Professional Pressure Washing Systems
Professional pressure washer connectors and couplings are essential for creating secure, leak-free connections between pressure washer hoses, trigger guns, lances, nozzles and machines. Whether you're replacing worn fittings, repairing damaged connections or adapting equipment to suit different accessories, the correct connector ensures safe operation and consistent cleaning performance.
Our range of professional pressure washer connectors and couplings includes quick-release couplings, threaded adaptors, hose connectors, swivel fittings, male and female couplings, hose joiners and conversion adaptors suitable for many commercial and industrial pressure washing systems. Designed to withstand high operating pressures, these components provide reliable performance in demanding working environments.
Using high-quality connectors helps maintain optimum water flow while reducing pressure loss and preventing leaks. Quick-connect couplings also allow operators to change hoses, lances and accessories quickly, improving productivity when switching between different cleaning tasks throughout the working day.
Professional pressure washer couplings are widely used across vehicle cleaning, agriculture, construction, manufacturing, facilities management and industrial cleaning. Whether you're extending hose lengths, connecting specialist accessories or replacing damaged fittings, choosing compatible connectors helps keep your pressure washer operating safely and efficiently.
Replacing worn or damaged couplings can prevent costly downtime and minimise water leaks while maintaining full operating pressure. Manufactured from durable materials including brass, stainless steel and high-strength engineered materials, these connectors are designed to deliver long service life under demanding commercial conditions.
Whether you need a simple replacement coupling, a complete connection kit or specialist adaptors for professional cleaning equipment, our range of pressure washer connectors and couplings provides dependable solutions for commercial and industrial pressure washing applications.



















