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bummer
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Posted 1 Year, 3 Months ago #1
Our furnace blows cold air at least once a day until we turn the switch off on the furnace and then restart.We've already replaced the Ignitor/sensor(ingnitor-flame rod assenbly)and are trying to fix this without calling a tech.We would be so grateful if you could give some advice.Thank-you
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SWHouston
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Posted 1 Year, 3 Months ago #2
Greetings bummer welcome to the Forum.

Not sure if this applies to your furnace, but, most have a Temperature Switch for warm up and over temp, just down wind from the furnace.

It may be that the setting of the switch has changed a little, and you need to adjust it higher, which will hold the Blower Motor off, until it gains enough heat to run.

My best guess !

Have a good Day !
S.W.
Good Golf, good DIY, and anything else that makes you happy!

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