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#1
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Boom - gas furnace?
Hi,
For the past two days, I've been noticing a really loud 'boom' or 'thud' coming from the general area of the furnace. It is a gas furnace, and it has been extremely cold for the past two weeks. I think the past two days are probably the first few times it has shut down and restarted, as it was running pretty constantly to keep up with the cold before. The thermostat is set at about 68. Is there something I should do here? What would cause this? It sounds like something that might occur as it fires up, but it's very alarming! Thanks! Jean |
#2
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"jmagnier" wrote in message ... Hi, For the past two days, I've been noticing a really loud 'boom' or 'thud' coming from the general area of the furnace. It is a gas furnace, and it has been extremely cold for the past two weeks. I think the past two days are probably the first few times it has shut down and restarted, as it was running pretty constantly to keep up with the cold before. The thermostat is set at about 68. Is there something I should do here? What would cause this? It sounds like something that might occur as it fires up, but it's very alarming! Thanks! Jean -- jmagnier This is Turtle. It sounds like you have a dirty burner bar that bring the flames from one burner to the other. The cure for this is to have the furnace cleaned and serviced to stop this. Now if you keep letting it boom long enough. It will bust the fire chamber seams. Now sometime if you wait till it sounds like a 12 Ga. Shotgun. It will knock the dirt loose but only about 50% of the time but it can bust the seams first some times. TURTLE |
#3
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jmagnier wrote:
For the past two days, I've been noticing a really loud 'boom' or 'thud' coming from the general area of the furnace. It is a gas furnace, and it has been extremely cold for the past two weeks. I think the past two days are probably the first few times it has shut down and restarted, as it was running pretty constantly to keep up with the cold before. The thermostat is set at about 68. Is there something I should do here? What would cause this? It sounds like something that might occur as it fires up, but it's very alarming! How long have you lived in this house? The main metal ducts that go across my basement make loud "booms" as they heat up and cool off. The ducts expand and go "boom" when the heat turns on and the ducts are cold in the unheated basement. If the heat is constantly on, or cycling frequently the ducts don't cool off and therefore don't go expand and go "boom" when the heat cycles back on. However, if the cause of the noise is expanding ducts and you've been in the house for an entire heating season I would have expected you would have encountered these noises before now. |
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