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    Bobert1971's Avatar
    Bobert1971 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 29, 2009, 12:46 AM
    Furnace shuts down for 10 seconds
    I have my furnace set at 69 and it only shuts down for about 10 seconds. Is that normal? I've changed the filter regularly. The only other thing I can think of is if the cold air return vents are partially blocked, would this be starving the furnace and causing it to continue?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 29, 2009, 04:47 AM
    The only other thing I can think of is if the cold air return vents are partially blocked
    Unblock them.

    I have my furnace set at 69 and it only shuts down for about 10 seconds
    Adjust the heat anticipator or heat cycle rate of the thermostat.
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