Boost your pressure washing performance with our range of hot box boiler units. Designed to instantly upgrade cold water machines into high-powered hot water systems, these units are essential for tackling stubborn dirt, grease, and organic buildup across domestic, commercial, and agricultural settings.

At Superclean Pressure Washers, we stock trusted Watertek hot box units in both 12v and 240v models. Whether you're cleaning vehicles, machinery, patios, or industrial equipment, these diesel-fired burners deliver consistent high temperatures up to 150°C. Ideal for mobile setups or static installations, our hot box systems offer reliable operation, digital control options, and robust construction for long service life.

All units are supplied with full UK support and fast delivery across Northern Ireland, the UK, and the Republic of Ireland. Browse our boiler systems and elevate your cleaning capability today.