Cracked Heat Exchanger Oil Furnace

This happens when the.

Cracked heat exchanger oil furnace.

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. Symptoms of a cracked heat exchanger. Fire up a welder and use the liquid metal to form a glue like line around the edge of your sheet metal. It tests under actual operating conditions.

Here are some signs that may indicate your issue is a cracked or malfunctioning heat exchanger. Press this onto the furnace heat exchanger and allow it to dry. But the decision to repair or replace a heating unit can be difficult. If your heat exchanger has cracks these cracks cause your furnace to perform inefficiently.

This trips a safety switch and shuts down the furnace. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. Cracks and corrosion on other components. 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 crack in your heat exchanger is no trivial matter. With a cracked heat exchanger the amount of oxygen inside the combustion chamber rises while the blower fan is running. A normally operating gas furnace has a steady blue flame. The heat exchanger in your furnace heats air traveling from one end to the other.

When the external components show signs of either minor or significant wear. Depending on the age of your furnace a cracked heat exchanger probably means you need a new system. A furnace flame should be blue in appearance. Signs your furnace has a cracked heat exchanger the flame s appearance changes.

When the flame is blue it means your. Incomplete combustion usually causes an increase in soot. It s the most common cause of excess carbon monoxide in a home. When carbon builds up within the interior of the heating system then soot accumulates.

Often when cracks are present in a heat exchanger soot from the combustion process will seep through and discolor the metal. A heat exchanger acts as a collection station for combustible gas and allows the gas to make the air reach a boiling hot temperature. A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. Signs and symptoms of a cracked gas furnace heat exchanger change in flame appearance.

Weld the sheet metal some more as it dries. A burner with a moving yellow.