The Hotsy Model 9450 Heating Module provides a powerful and cost-effective way to convert a cold water pressure washer into a hot water pressure washer. Designed for commercial and industrial users, this heating module delivers the proven cleaning advantages of hot water—without the need to purchase a complete hot water pressure washer system. By attaching the Hotsy 9450 to a compatible cold water pressure washer, pressurized water is heated instantly, allowing operators to cut through grease, oil, and stubborn grime faster and more efficiently. The unit uses fuel oil or diesel to heat the water through a high-efficiency vertical heating coil, ensuring consistent temperature and reliable performance. Engineered for heavy-duty applications, the 9450 supports high flow and pressure, handling up to 10 GPM at 3,200 PSI, making it ideal for demanding industrial, fleet, and equipment cleaning operations. A built-in flow switch controls the burner, helping improve safety, efficiency, and system protection during operation. The Hotsy 9450 is an excellent solution for users who want the flexibility of both cold and hot water cleaning while maximizing the value of their existing pressure washer equipment. Key Features & Benefits Converts cold water pressure washers into hot water systems Delivers the benefits of hot water cleaning without replacing equipment High-efficiency vertical heating coil for consistent heat output Uses fuel oil or diesel for reliable hot water generation Flow switch-controlled burner for safe, efficient operation Supports high-output pressure washers Ideal for industrial, commercial, and fleet cleaning applications Ideal Applications Heavy equipment and machinery cleaning Fleet and transportation maintenance Industrial and manufacturing facilities Agricultural equipment cleaning Grease and oil removal Construction and municipal operations Technical Specifications Maximum Flow Rate: 10 GPM Maximum Pressure: 3,200 PSI Heating Fuel: Fuel Oil or Diesel Heating Coil: High-efficiency vertical coil Burner Control: Flow switch
