On 12/22/2014 2:43 PM, Ralph Mowery wrote:

Now that all that went on, it might be time to check the air flow switch.
It will be something after the blower mounted on the air chamber. It is a
switch that will probably show open and when you have air flow it will
close. If it does show open, and never closes when the blower starts up,
you have low air flow. Either the blower is not turning or the switch could
be bad. If it shows open, hook the two wires together and see if the
furnace stays running. Or place your meter across the wires and see if they
stay closed. You can probably go to ground from one of the contacts and one
side will always have voltage and the other one will not. Get on the one
without the voltage and see if it ever gets the voltage.



With a new filter, and open vents, should
be much improved air flow. Lets see who
spots the non sequitor.


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Christopher A. Young
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