When troubleshooting a gas furnace, the technician reads 24 volts at the gas valve solenoid coil, but there is no burner during a call for heat. What is the most likely cause?

Question

Quizplus · Accepted Answer

If there is 24 volts at the gas valve solenoid coil, it means that the control board is sending power to the gas valve. Since there is still no burner during a call for heat, it is likely that the gas valve itself is defective and not opening to allow gas flow to the burner.

When Troubleshooting a Gas Furnace, the Technician Reads 24 Volts