SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam

A furnace high-limit control is intended to do which of the following?

Open the gas valve whenever the blower is off Stop burner operation if circulating-air temperature rises above a safe setpoint, typically from low airflow, a dirty filter, or a closed supply Prove flame at the pilot only Modulate outdoor-air dampers

Correct Answer:

Stop burner operation if circulating-air temperature rises above a safe setpoint, typically from low airflow, a dirty filter, or a closed supply

Access more questions from this quiz

Continue to SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions