What does an oil supply line connect from the tank to?

The oil supply line is crucial in heating systems that utilize oil as a fuel. Its primary function is to transport oil from the storage tank directly to the burner. This is essential because the burner is where the oil is atomized, mixed with air, and ignited to create the heat needed for the heating process.

Understanding this relationship is important as it highlights the central role of the burner in converting the fuel (oil) into usable energy. The efficiency of the heating system largely depends on the proper functioning of this oil supply line, ensuring a consistent and reliable flow of fuel to the burner for effective heat generation.

The other options are not directly involved with the oil supply line's purpose: the heat exchanger is where the heat generated is transferred to the desired medium, the exhaust system handles the byproducts of combustion, and the electrical panel regulates power but does not deal with fuel supply.