Choose from universal direct spark ignition controls and hot surface ignition modules.
Electronic ignition furnace.
When the furnace shuts off the valve closes and the pilot light goes out.
When the furnace comes on this valve opens and then the electric spark ignites the pilot.
For many years furnaces were lit using standing pilots.
Find a flame sensor or auto pilot relighter here.
Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article.
A flame sensor detects that the pilot is lit opens the valve to the burners and the pilot light ignites the burners.
While there are a number of furnaces in existence that use a standing pilot today s furnaces use electronic ignition to light your furnace.
When the furnace turns on a valve opens up and allows the gas to flow to the pilot light.
An electric spark then lights the pilot light so it can in turn light the burners.
Electronic ignition gas furnace problems troubleshooting gas furnaces are a prevalent form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace.
One can still purchase a gas furnace or water heater with the old standing pilot ignition systems these systems have been proven reliable and safe over time.
Intermittent pilot ignition.
If you have a newer furnace or one with an afue rating above 80 it most likely has an electronic ignition system.
The electronic ignition system in a gas furnace is a modern development that provides more reliable performance than a standing pilot and offers energy savings through better furnace efficiency.
Convert a conventional standing pilot system to an intermittent pilot system with a standing pilot conversion kit.
Electronic ignition vs standing pilot modern gas furnaces use electronic ignition systems to light the burners in modern furnaces.
One type of electronic ignition is an intermittent pilot.
The second and more common type of electronic ignition system is the hot surface igniter.
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This system uses a pilot flame but the flame lights only when there s a call for heat from the thermostat.
Here s how electronic ignition works otherwise the pilot light remains off.