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  • Sealey AB1258 Direct Oil Fired Space Heater - 230v

Sealey AB1258 Direct Oil Fired Space Heater - 230v 36kW

  • 125,000 BTU/hr Portable Direct Heat
  • Runs on Paraffin, Kerosene or Diesel
  • 917m³/h Airflow
  • Automatic Safety Shut-Off
  • Ideal for Large Well-Ventilated Spaces
  • Built-in Thermostat
Price Match
Rapid Delivery
1 Year Warranty


36.6kW Heat Capacity: Great heat output from a compact unit, ideal for heating workshops, garages, areas on construction sites and more. Please note, as this is a direct fired heater, it must only be used in well-ventilated/outdoor spaces. It must not be used in enclosed/indoor spaces.

917 m³/h Airflow: Great airflow for heating a range of industrial spaces effectively, up to 702m³.

38 Litre Fuel Tank: Offers approximately 10 hours running time, making the Sealey AB1258 Space Warmer a very economical heater.

Multi-Fuel Heater: Designed to run on paraffin, kerosene or diesel.

Built-in Thermostat: Allows you to set a required temperature and the heater will switch itself on and off as required to maintain the set temperature, adding convenience, comfort and saving on running costs.

Automatic Flame-Out Safety Cut-Off: Shuts off the fuel supply if the flame is inadvertently extinguished, ensuring safety on site.

Portable Design: The trolley-mounted design of this space heater makes it very easy to transport and put into place on site.


Sealey AB1258 Space Warmer 125,000 Btu/hr Diesel Heater

36.6kW direct fired space heater for industrial applications

The Sealey AB1258 Space Warmer is a 36.6kW direct fired industrial space heater. It runs on paraffin, kerosene or diesel and it can be used in a wide range of well-ventilated industrial spaces such as workshops, garages, yards, construction sites and more.

This Sealey space heater features a solid metal outer casing, portable trolley design and 38 litre fuel tank, which offers approximately 10 hours running time. It also has a built-in thermostat, filter protection and flame-out safety cut-off device which cuts the fuel supply if the flame is inadvertently extinguished.

The Sealey AB1258 Space Warmer provides a heated airflow of 917 m³/h (540 cfm) and heating capacity of 36.6kW (125,000Btu/hr). It offers an effective heated area of 702m³, to heat a wide range of well-ventilated industrial spaces effectively.

Please note that direct oil-fired space heaters must only be used in well ventilated spaces, such as construction sites, yards, and garages and workshops with large open shutter doors. They must not be used in indoor, poorly ventilated areas or enclosed spaces.


Model: AB1258
Heating Capacity: 125,000Btu/hr (36.6kW)
Airflow: 540cfm (917 m³/h)
Supply: 230v - 5A
Fuel Tank: 38L
Fuel: Paraffin/Kerosene/Diesel
Running Time: Approx. 10 Hours
Automatic Shut Off: Yes
Heated Area: 24,800ft³ (702m³)
Weight: 27kg


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