With the latest innovation of NESTechnology™, Hotsy outshines other pressure washer pump brands with extended service life. Hotsy pumps use the latest innovation to seal technology – NESTechnology™

Benefits of using our pressure washer pump for Hotsy cleaning equipment are:

  • Four frame sizes: one duplex, and three triplex sizes – small, medium, large
  • Externally accessible check valves
  • Two inlet and discharge ports facilitate system installation
  • Anodized aluminum crankcase with cooling fins for heat dissipation
  • Polished ceramic plungers reduce seal wear
  • Oversized crankshaft and connecting rods
  • Heavy-duty roller bearings or heavy-duty tapered roller bearingsInternally-ported, self-lubricating seals
  • Pressure washer pump replacements available for pulley, direct or gear-reducer drive
  • 7-year warranty on the oil-end of the pump


The Hotsy Pump is engineered for durability & performance. Central to every Hotsy pressure washer lies the heart of the machine, the Hotsy high-pressure pump. This pressure washer pump is highly efficient with a history of engineering excellence.

Hotsy has been manufacturing our own pumps since 1984. Over the years, design changes have been implemented to improve the efficiency of the pressure washer pumps, making the Hotsy pump one of the most efficient and durable pumps on the market.