How to Use No 2 Diesel As Heating Fuel


Oil-burning furnaces in homes rely on heating oil for combustion. When the home heating fuel oil supply is low or runs out, you can use No. 2 diesel fuel to operate the furnace until you can get fuel oil delivered. The two basic differences between these fuels are that home heating oil has a distinguishing red dye added to it and No. 2 diesel fuel, which is used in vehicles, has road tax added to the cost. Homeowners can add diesel fuel to their home heating oil storage tank with a pipe wrench, funnel and the fuel.

Things You'll Need

  • Five-gallon approved fuel container
  • Five-gallons No. 2 diesel fuel
  • Funnel approved for use with fuels
  • Pipe wrench
  • Helper
  • Purchase five gallons of No. 2 diesel fuel and pump it into an approved fuel container. Get five gallons because of weight considerations. Use the size and quantity of containers best suited for your needs and abilities.

  • Locate the home heating oil fill pipe. Many homes have the filler pipe outside the home while others have it directly atop the tank.

  • Remove the cap from the filler pipe with the pipe wrench. Turn the cap in a counterclockwise direction.

  • Place a funnel approved for use with fuels into the mouth of the filler pipe. Use a helper to hold the funnel steady.

  • Pour the No. 2 diesel fuel into the funnel. Take care not to fill the funnel too full. If necessary, use smaller approved fuel containers that are lighter and easier to handle.

  • Remove the funnel when all the fuel has drained out of it.

  • Replace the cap on the filler pipe and tighten with the pipe wrench. Secure the cap by turning it in a clockwise direction.

Tips & Warnings

  • Store fuel containers in cool, dry areas outside the home. Be sure to replace the caps and to close the vent port caps.
  • Never smoke when handling fuels of any kind.

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