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High Pressure
Water Heaters

60 years of alkota industrial pressure washers
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Diesel Fired Water Heaters For Pressure Washers

Industrial Horizontal Hot Water Heaters

Horizontal Diesel Fired Water Heater Series

A great industrial pressure washer add-on,  water heaters turn any cold water pressure washer into a hot water cleaning machine.


Alkota “hot box” models range in size from 200,000 BTU to 1,000,000 BTU. We have options that run on 115V, 12V, or 24V, fueled by diesel, kerosene, natural gas, or propane. Our highly specialized standard models work for most industrial and commercial applications. For the rest, we can build a heater of any size that runs on your preferred fuel source.


Also excellent for:

  • Ground thawing systems: This application heats glycol and recirculates it through a looped heating system

  • Hydro excavators: Heated water tanks allow cutting through frozen ground and clay

  • Dive suits

  • Concrete mixing plants

  • Mobile decontamination systems.

  • No dig drain line curing

Diesel Fired Horizontal water heater provides instantaneous and continuous hot water in a small package featuring a built in fuel tank. The fuel source can be diesel or kerosene. We can build a heater to meet your needs, using your preferred fuel source.


Hot water heaters from Alkota feature our industry leading hydro insulated coil. The hydro insulated coil provides user safety and well as money saving performance. Alkota hot water heaters protect you with a 7-year coil warranty.


Horizontal water heaters have many different applications we would love to talk about new ideas and put an Alkota water heater to work for you. 

alkota water heater for pressure washer

Horizontal Water Heater Series  - 210WH

 Alkota  Industrial  Pressure  Washer Water Heaters


Up to 18.9 lpm

Fuel Source


Fuel Consumption

10.6 l/h

Fuel Tank Capacity

40 l




Schedule 80 / 96ft (29m)

Temperature Control


Flow Switch



W - 560mm L - 1,070mm H - 865mm

Shipping Weight

140 kg

Pressure Washer Buyers Guide

There's many factors to consider when buying your new industrial pressure washer. 

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