Oil Burner Exhaust On Metal Roofs Rusting

After multi visits with riello and other consultants we changed the burner to a beckett af2 and my combustion parammeters were perfect.

Oil burner exhaust on metal roofs rusting.

In sum corrosion and stains on and around metal chimneys include rust flue gas deposits and corrosive condensates though not primarily from oil dye as you suggest rust stains from contact between dissimilar metals occasionally sulfates the main component and even bacteria in oil fired systems. My furnace guys say the stains are very dark for sulphur but they concede that they can t suggest anything else that it could be. The instant i capped my furnace flue rust like deposits began to condense on the cap drip to the chimney crown and then down to stain my metal roof. My chimney company say it s sulphur deposits.

Rust is the result of oxidation that occurs when metal oxygen and water mix. If cracks occur in a heat exchanger because of the weakening. Remove the flakes of the rust and paint using a wire brush. It was serviced previously by his oil co.

To remove powder and soluble rinse it with water properly. Light rust does not get removed by simple wiping since it is firmly bonded to the metal surface. You don t want this to occur to your furnace especially along the heat exchangers. Working on our 133 year old house i found the furnace exhaust pipe rusted out.

Furnace exhaust repair rusted pipe don. Talking about how i fixed it.