A gas burner control module is the electronic control that manages ignition and fuel flow in gas furnaces, boilers, and water heaters. It sequences start-up, verifies flame, and shuts off gas if ignition fails, protecting the system from unsafe operation. Many modern modules also provide diagnostics and modulation support for better efficiency.
/ɡæs ˈbɜːrnər kənˈtroʊl ˈmɒdjuːl/
A gas burner control module is the electronic control that manages ignition and fuel flow in gas furnaces, boilers, and water heaters. It sequences start-up, verifies flame, and shuts off gas if ignition fails, protecting the system from unsafe operation. Many modern modules also provide diagnostics and modulation support for better efficiency.
What does a gas burner control module do?
It controls ignition, monitors flame, and shuts off gas when unsafe conditions are detected.
Source: The Cooling Company
Control modules manage ignition, flame proofing, and safety.
When a thermostat calls for heat, the control module starts the ignition sequence, opens the gas valve, and confirms flame before allowing the burner to run.
If your system locks out repeatedly, schedule service to check the control module and related ignition components.
“If your system locks out repeatedly, schedule service to check the control module and related ignition components.”
Many modern control modules store fault codes to help technicians diagnose problems faster.
Can a bad control module cause a gas smell?
It can if ignition fails and safety shutdowns are delayed, which is why prompt service is important.
Is a control module the same as a thermostat?
No. The thermostat sends the call for heat, while the control module manages the burner sequence.
Do control modules need regular replacement?
Not usually. They are replaced when they fail or if diagnostics show a fault.
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