How do I check how much oil I have left?
Site Gauge
Often heating oil tanks are fitted with a site gauge – a clear plastic tube on the side of your tank, which makes it simple to check your heating oil tank level. These are extremely popular. There’ll be a button and when pressed, the fuel in the tube will settle at the level in the tank. The disadvantage of this type of gauge is that the heating oil can, over time, discolour the plastic tube, making it difficult to read the level.
If you have a digital monitor
Your tank may have a digital monitor that plugs into an electric socket inside your house, such as an Apollo or Watchman. The device will flash when your heating oil is getting low, but ordering when the digit reaches 2 (2 bars) is usually the ideal time.
No gauge and need to check your oil level
If your tank has no gauging system, or you want to double-check the accuracy of your gauge, an alternative basic method to monitor how much oil you have left is to dip the tank with a clean garden cane.
To avoid contamination, make sure you use a designated dipstick that is kept clean and used solely for your oil tank.
The least effective and most unreliable ways to check your heating oil level are shining a torch in or tapping the tank.