Carrier LH33WZ003 Flame Sensor Electrode

The Carrier LH33WZ003 is a Flame Sensor Electrode, a safety device that is used exclusively in Carrier furnaces. This particular component is quite small but plays a significant role in monitoring the furnace. During burner operation, it is designed to sense the existence of a flame. If a flame is present, the sensor sends a signal to the control board so that the furnace can continue to operate without danger. If there is no flame, the sensor cuts off the operation of the furnace, meaning that the furnace cannot run without the flame, as this poses a risk of developing gas leaks or other problems.