Cracked Heat Exchanger Oil Furnace

Cracks and corrosion on other components.

Cracked heat exchanger oil furnace.

Weld the sheet metal some more as it dries. With a cracked heat exchanger the amount of oxygen inside the combustion chamber rises while the blower fan is running. A crack in your heat exchanger is no trivial matter. This is because air is entering the combustion chamber through the crack in the heat exchanger.

A burner with a moving yellow. Symptoms of a cracked heat exchanger. 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. When carbon builds up within the interior of the heating system then soot accumulates. But the decision to repair or replace a heating unit can be difficult. This raises the amount of oxygen in the exhaust gases.

When the flame is blue it means your. A heat exchanger acts as a collection station for combustible gas and allows the gas to make the air reach a boiling hot temperature. Often when cracks are present in a heat exchanger soot from the combustion process will seep through and discolor the metal. Press this onto the furnace heat exchanger and allow it to dry.

A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. Fire up a welder and use the liquid metal to form a glue like line around the edge of your sheet metal. 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. It s the most common cause of excess carbon monoxide in a home.

If your heat exchanger has cracks these cracks cause your furnace to perform inefficiently. 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. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. Here are some signs that may indicate your issue is a cracked or malfunctioning heat exchanger.

A furnace flame should be blue in appearance. A normally operating gas furnace has a steady blue flame. Signs your furnace has a cracked heat exchanger the flame s appearance changes. Signs and symptoms of a cracked gas furnace heat exchanger change in flame appearance.

This trips a safety switch and shuts down the furnace. It tests under actual operating conditions.