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In a gas furnace, what ensures that all burners ignite smoothly?
burner alignment
crossover
igniter placement
pilot light
The correct answer is: crossover
The correct response is crossover. Crossover refers to the design feature that provides a pathway for the ignition flame or gas to spread among multiple burners in a gas furnace, ensuring that they all ignite at the same time and operate cohesively. This design is crucial for achieving uniform heating and preventing any issues related to incomplete combustion or uneven heat distribution. Effective crossover design allows for a reliable ignition sequence, reducing the likelihood of delayed or failed ignitions across the burners. This enhances safety and efficiency, contributing to the overall performance of the furnace. Understanding the functioning of this component is pivotal for diagnosing issues related to burner operation in gas heating systems.