Hotsy Heating Modules 9400 Series
Hotsy Pressure Washer Water Heating Modules 9400 Series
The 9400 Series heating modules offer the flexibility to "convert" a cold water pressure washer into a hot water unit. By attaching the heating module to a cold water pressure washer the pressurized water is now heated to produce all the benefits of hot water cleaning. The four modules use fuel oil, diesel, or natural gas to heat the water using Hotsy's high-efficiency, vertical heating coil. All models are equipped with a flow switch to control the burner.
Fuel burner types:
- Diesel
- Kerosene
- Home Heating Oil
- Natural Gas
- LP Gas (optional)

Model Shown 9452
Hotsy 9400 Series - Heater Modules
Model - Part No:
9450 - 1.103-905.0, 3200 psi, 10 gpm max, 6 gpm min, 115V / 1ph - Oil
9452 - 1.103-906.0, 3200 psi, 10 gpm max , 6 gpm min, 115V / 1ph - NG
9460 - 1.103-907.0, 3200 psi, 10 gpm max, 6 gpm min, 115V / 1ph - Oil
9462 - 1.103-908.0, 3200 psi, 10 gpm max, 6 gpm min, 115V / 1ph - NG
Options Available:
8.903-076.0 - Natural-Gas to LP Conversion for Model 9452 (factory installed)
8.903-075.0 - Natural-Gas to LP Conversion for Model 9462 (factory installed)
8.801-040.0 - 10" Natural Gas-Fired Draft Diverter for Model 9452
8.717-730.0 - 12" Natural Gas-Fired Draft Diverter for Model 9462
8.749-806.0 - 10" Power Dampener
8.753-171.0 - 12" Power Dampener
8.749-807.0 - Power Dampener Wiring Harness
8.704-659.0 - Hotsy Logo Label 5"x 11"