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.
Professional Foam Systems for Commercial Pressure Washers
Professional pressure washer foam systems provide an efficient way to apply cleaning detergents and snow foam to vehicles, machinery, buildings and industrial equipment before pressure washing. Producing a thick, consistent layer of foam helps detergents remain in contact with surfaces for longer, loosening dirt, grease, traffic film and other contaminants for more effective cleaning.
Our range of professional pressure washer foam systems includes foam lances, foam injectors, foam nozzles, detergent application systems, foam cannons and replacement components suitable for many commercial and industrial pressure washers. Designed for frequent professional use, these systems deliver consistent foam coverage while helping to reduce detergent waste and improve overall cleaning efficiency.
Foam systems are ideal for pre-washing vehicles, commercial fleets, agricultural machinery, construction equipment and food production areas where effective detergent application is essential. Applying foam before rinsing helps soften stubborn contamination, reducing the time and effort required during pressure washing while achieving superior cleaning results.
Professional foam systems are widely used by vehicle valeters, transport operators, agricultural businesses, contract cleaners, facilities management companies and industrial maintenance teams. Whether applying traffic film removers, vehicle shampoos or specialist cleaning chemicals, the correct foam system helps ensure even coverage and consistent detergent application.
Manufactured to withstand demanding commercial environments, professional foam systems are built from durable materials that resist chemical exposure and high operating pressures. Choosing compatible foam equipment helps maintain reliable performance while allowing operators to maximise the cleaning capability of their professional pressure washer.
Whether you're upgrading your existing detergent application equipment or adding foam cleaning capability to your pressure washer, our range of professional foam systems provides dependable solutions for commercial and industrial cleaning applications.

















