This category includes hot water and booster heaters designed for use with unheated professional pressure washers, including cold water systems within the Kärcher HD range. These units introduce heat into the cleaning process, improving the removal of oil, grease and heavy contamination where cold water alone is not sufficient.
Booster heaters raise water temperature before the point of use, reducing cleaning time and chemical reliance. Suitable for vehicle washing, workshop cleaning, industrial maintenance and agricultural applications, these systems integrate into fixed or mobile professional setups.
Engineered for continuous operation, hot water and booster heater units feature durable heating components, reliable temperature control and defined flow and pressure compatibility for safe, efficient performance. When correctly installed, they provide a practical upgrade path from cold water to hot water cleaning capability without replacing the primary machine.