The 400HM is a commercial hot water pressure washer that uses a 240v power supply and can produce water as hot as 140°C. The 400HM has a low revving brass pump to elongate working life. That pump features ceramic sleeved pistons that drastically improve both performance and durabilty when compared to the aluminium versions in domestic units. A robust stainless steel cver and stove enamelled steel chassis for durability and excellent reliability resulting in reduced service time and costs. The machine is supplied with a 9 meter pressure hose, industrial gun and lance.