Direct Spark Ignition / Intermittent Spark Ignition

Originally Posted By: Mark Reagin
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Could someone please highlight the difference between the two? I appreciate any help you might provide. Mark


Originally Posted By: dedwards
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Mark,


I will attempt to. First off lets handle direct spark ignition. There is NO pilot light on this systeml. The spark ignition is directed to the main burner. Now there is a condition known as “intermittant sparking” that refers to the spark continueing to fire after the furnace (or stove) is lit. Usually harmless but annoying as hell because the sound transmits into the rest of the house. Another system you may be referring to is Spark to Pilot ignition. The spark lights the pilot only when the heat is called for and the pilot does not stay lit continuously. After the furnace comes on the pilot goes out. That may be what you mean when you say intermittant ignition. Hope that helps.


Doug