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Posted by <kjpro on January 20, 2007, 2:53 pm
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> "Scooter" wrote:
> >I have a new Lennox G61Mp-48C furnace. It is a 2-spped unit. If it
> >has been running at high speed and the thermostat has reached it's
> >setpoint, aand the motor is switching form high to low speed we hear a
> >bang much like ductwork flexing but it seems to be coming from the
> >furnace cabinet and not the ductwork. Ideas?
> hell yes I got ideas.
Some of them are even good ones! <g>
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> has been running at high speed and the thermostat has reached it's
> setpoint, aand the motor is switching form high to low speed we hear a
> bang much like ductwork flexing but it seems to be coming from the
> furnace cabinet and not the ductwork. Ideas?