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central heat noise

Posted by Rozia1950 (My Page) on
Sat, Mar 22, 14 at 8:22

after the heater runs about a minute and half there is a clunk . It happens about 3 times . what could that be

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RE: central heat noise

after the furnbace runs it goes clunk , then about a min and half later it goes clunk again . this happens about three times . what is the clunk? thansk

RE: central heat noise

Is this a gas furnace? Can you see the flame turning on and then going out?

RE: central heat noise

I have a similar issue with my natural gas furnace. It is a 8 month old new build house with Rheem Classic Series: Up to 95% AFUE Single-Stage PSC Motor gas furnace. After is cycles and turns off there is a loud bang anywhere from 30 seconds to 4 minutes afterwards. There is also a consistant clicking noise that is most pronounced at end of the duct about a 20 foot straight run from the furnace. It can be heard in the family room and a second floor bedroom vents. The HVAC installers came determined that it was "oilcanning". He cut two square holes and repaired the holes but the noise continues.

Any advice on how I can stop the noise? Can and should the HVAC company be held accountable. I do not want to get the "you just have to deal" attitude since it is a new build.

TIA...Ann Marie

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