What should be checked during routine maintenance of an oil furnace?

During routine maintenance of an oil furnace, it is essential to check the filter, nozzle, and combustion chamber cleanliness because these components significantly influence the efficiency and safety of the furnace.

The filter ensures that the fuel supplied to the furnace is free from impurities that could clog the nozzle or affect combustion. A clogged filter can lead to reduced fuel flow and subsequently lower efficiency. The nozzle is responsible for atomizing the fuel for effective combustion, so checking its condition is crucial for maintaining the furnace's performance. A worn or blocked nozzle can disrupt the spray pattern, leading to incomplete combustion and increased emissions.

Additionally, the combustion chamber must be inspected for soot buildup and proper operation. Excessive soot can indicate inefficient combustion, which can not only reduce efficiency but also pose a fire hazard and increase harmful emissions. Ensuring that the combustion chamber is clean will help maintain optimal burning conditions and prolong the life of the furnace.

Thus, focusing on these components during maintenance not only enhances the efficiency of the oil furnace but also ensures safe and reliable operation.