oil furnance makes loud noise

Old 09-15-14, 06:14 PM
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oil furnance makes loud noise


When my oil furnace starts, there is a loud vibration noise. It is only a couple of years old. Funny thing is when I take the lower panel off, it doesn't vibrate. but I soon as put it back on, it starts right up. you can definitely feel the vacuum when you're putting the panel back on.
Old 09-21-14, 08:56 PM
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Sorry for the slow reply. I presume you are talking about when the blower starting. If so, you likely don't have enough return ductwork.

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