Turn off the electrical power supply and the fuel supply.. Let the boiler cool until it is cool to the touch.. Remove the nut on the combustion chamber door and open the door.
Turn off the electrical power supply and the fuel supply.
Let the boiler cool until it is cool to the touch.
Remove the nut on the combustion chamber door and open the door.
Scrape the soot from the combustion chamber walls with a wire brush.
Change the air filter, if you have an oil-powered boiler.
Close the combustion chamber door and replace the nut.
Reattach the power and fuel lines to the boiler if you disconnected them.
Check the temperature and pressure readings regularly.
Lubricate the circulating pump periodically.
Check the water level in the expansion tank regularly.
Hire a professional to clean the burners, coils, draft hood, and chimney.
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