Cracked Heat Exchanger Oil Furnace

Weld the sheet metal some more as it dries.

Cracked heat exchanger oil furnace.

Signs your furnace has a cracked heat exchanger the flame s appearance changes. Fire up a welder and use the liquid metal to form a glue like line around the edge of your sheet metal. But the decision to repair or replace a heating unit can be difficult. Incomplete combustion usually causes an increase in soot.

Cracks and corrosion on other components. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. It s the most common cause of excess carbon monoxide in a home. A burner with a moving yellow.

If you have a steel exchanger then cut down a piece of sheet metal to cover the crack plus 2 inches all the way around. A normally operating gas furnace has a steady blue flame. This trips a safety switch and shuts down the furnace. When carbon builds up within the interior of the heating system then soot accumulates.

The result will be a buildup of soot around the crack site and or spots that are a darker color than the rest of the metal. A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. It tests under actual operating conditions. When the external components show signs of either minor or significant wear.

Signs and symptoms of a cracked gas furnace heat exchanger change in flame appearance. Depending on the age of your furnace a cracked heat exchanger probably means you need a new system. This is because air is entering the combustion chamber through the crack in the heat exchanger. If you see evidence of soot which is actually a black carbon buildup on the inside of the furnace it s a sign your furnace isn t burning cleanly.

A heat exchanger acts as a collection station for combustible gas and allows the gas to make the air reach a boiling hot temperature. This happens when the. This raises the amount of oxygen in the exhaust gases. A crack in your heat exchanger is no trivial matter.

The heat exchanger in your furnace heats air traveling from one end to the other. If your heat exchanger has cracks these cracks cause your furnace to perform inefficiently. Often when cracks are present in a heat exchanger soot from the combustion process will seep through and discolor the metal. A furnace flame should be blue in appearance.

When the flame is blue it means your. Press this onto the furnace heat exchanger and allow it to dry.