How do you replace an oil furnace transformer?

To replace an oil furnace ignition transformer, first ensure that the furnace is powered off and disconnected from the electrical source for safety. Next, locate the ignition transformer, typically found on or near the burner assembly. Carefully disconnect the wires from the old transformer, taking note of their positions for accurate reinstallation. Remove any screws or clips securing the transformer in place. Install the new transformer by securing it with screws or clips, and reconnect the wires according to the original configuration. Finally, restore power to the furnace and perform a test to ensure proper functioning of the ignition system. Regular checks of the oil furnace ignition transformer and the overall system can help maintain efficiency and safety.