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  • Sealey AB3412 Direct Oil Fired Space Heater - 230v

Sealey AB3412 Direct Oil Fired Space Heater - 230v 100kW

  • 340,000 BTU/hr Portable Direct Heat
  • Runs on Kerosene or Diesel
  • 1300m³/h Airflow
  • Automatic Safety Shut-Off
  • Ideal for Large Well-Ventilated Spaces
  • Built-in Digital Thermostat
  • Same-Day Dispatch (order before 12pm Mon-Fri)
Price Match
Rapid Delivery
1 Year Warranty


100kW Heat Capacity: Large heat output, ideal for heating construction sites, yards 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.

1,300 m³/h Airflow: Great airflow for heating large spaces effectively, up to 2,000m³.

68 Litre Fuel Tank: Large fuel tank offers approximately 7 hours running time, making the Sealey AB3412 Space Warmer a very economical heater.

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

Built-in Thermostat: Thermostat & digital room temperature display 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.

Danfoss Oil Nozzle & Gear Pump: For stable fuel delivery and reliable performance.

Automatic Flame-Out Safety Cut-Off: Shuts off the fuel supply if the flame is inadvertently extinguished, ensuring safety on site. Also features automatic cut-out when oil is drained and non-automatic restart after power supply is interrupted.

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


Sealey AB3412 Space Warmer Heater

100kW direct oil fired space heater for industrial applications

The Sealey AB3412 Space Warmer is a 100kW direct fired industrial space heater. It runs on kerosene or diesel and it can be used in a wide range of well-ventilated industrial spaces such as  yards, construction sites and more.

This Sealey space heater features a solid metal outer casing, portable trolley design and 68 litre fuel tank, which offers approximately 7 hours running time. It also has a thermostat and digital room temperature display, filter protection, Danfoss oil nozzle and gear pump for stable fuel delivery, easy-to-read fuel tank gauge and automatic cut-out when oil is drained and non-automatic restart after power supply is interrupted.

The Sealey AB3412 Space Warmer provides a heated airflow of 1,299 m³/h (765 cfm) and heating capacity of 100kW (340,000Btu/hr). It offers an effective heated area of 2,000m³, to heat a wide range of large 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: AB3412
Heating Capacity: 340,000Btu/hr (100kW)
Airflow: 765cfm (1,299 m³/h)
Supply: 230v - 13A
Fuel Tank: 68L
Fuel: Kerosene/Diesel
Running Time: Approx. 7 Hours
Automatic Shut Off: Yes
Heated Area: 70,600ft³ (2,000m³)
Weight: 45kg

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