How to Clean a Boiler Flue
A boiler flue is how combustible gasses leave your home. It flue is normally located on the inside of a chimney. It is recommended that the flue be cleaned at least twice a year to keep it in proper working order.
- Turn the power source off to the boiler.
- Place a protective covering on the floor around the boiler.
- Put on some protective gear before you start the cleaning process. It is recommended that you wear gloves, a facemask and goggles.
- Place a ladder against the side of the house and climb it to access the chimney.
- Remove the flue cap from the chimney and set it to the side.
- Insert the flue brush into the flue and keep pushing it downward until it will not go any farther. This will indicate that you have reached the firebox.
- Begin pushing the flue brush in an up and down motion to scrub the flue. By doing this is will remove any built up soot and ashes. It is recommended that you start from the bottom of the flue and work your way up.
- Remove the brush from the flue once it has been adequately cleaned.
- Replace the flue cap on the chimney.
- Climb back down the ladder.
- Go back inside the house and clean up all the loose soot and ashes that you dislodged from the flue. This should be done before you remove the protective covering from the floor.
- Remove the ash pan from the boiler and properly dispose of the ashes.
- Remove the protective covering from the floor.